Indulge Guilt-Free: Delicious & Healthy Oatmeal Raisin Cookie Overnight Oats Recipe
The festive season might be behind us, but let’s be honest, our cravings for delightful treats certainly haven’t vanished. While the desire to return to healthier eating habits is strong, the need for something sweet and comforting persists. If you’re anything like me, a delicious cookie is a must-have, even when striving for a balanced diet. That’s precisely why you’re going to adore these **Oatmeal Raisin Cookie Overnight Oats**. They offer all the warm, spiced flavors of a classic oatmeal raisin cookie, but in a surprisingly healthy and convenient breakfast format.

This oatmeal raisin overnight oats recipe is the ultimate solution for busy mornings, striking a perfect balance between indulgence and nutrition. It’s a quick, effortless make-ahead breakfast that fits seamlessly into your meal prep routine. Imagine waking up to a ready-to-eat, wholesome breakfast that genuinely tastes like a dessert! The natural sweetness of raisins means you’ll likely need less added sugar, allowing you to enjoy every spoonful completely guilt-free. It’s the ideal grab-and-go option that ensures you never skip the most important meal of the day, even on your most hectic weekdays.
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🥘 Ingredients for Oatmeal Raisin Cookie Overnight Oats
These Raisin Cookie Overnight Oats are not only incredibly healthy but also remarkably simple to prepare, making them a fantastic addition to your regular breakfast rotation, just as they have become in mine! The beauty of this recipe lies in its straightforward ingredients, which come together to create a symphony of flavors reminiscent of a freshly baked cookie.
Beyond the star ingredient, plump and naturally sweet raisins, you’ll need a few other pantry staples for this delightful cinnamon raisin oatmeal concoction:
- Uncooked Rolled Oats: Be sure to use old-fashioned rolled oats, not instant or quick oats. Rolled oats provide the perfect chewy texture and absorb liquid beautifully overnight without becoming mushy, unlike their quicker-cooking counterparts.
- Brown Sugar: This adds a rich, caramel-like sweetness and contributes to that quintessential “cookie” flavor profile. You can adjust the amount to your preference or even substitute.
- Cinnamon: The warm, aromatic spice that is a hallmark of any classic oatmeal raisin cookie. It elevates the flavor significantly.
- Chia Seeds: These tiny powerhouses are essential for achieving the perfect creamy, thick consistency in your overnight oats. They absorb liquid, swell up, and add a nutritional boost of fiber, omega-3s, and protein.
- Milk: I typically use 1% milk for a good balance of creaminess and lightness. However, any milk, dairy or non-dairy, will work wonderfully.
- Vanilla Extract: A fundamental flavor enhancer that brings warmth and depth to the oats, just like in a real cookie.
- Butter Extract: This secret ingredient is what truly transforms these healthy oats into a “cookie” experience, imparting that distinct, comforting buttery note without adding actual butter. It’s a game-changer for achieving the desired taste profile.
💭 The Amazing Health Benefits of Oats
This Healthy Overnight Oats recipe, featuring wholesome California Raisins, is a nutritional powerhouse for several compelling reasons. Firstly, oats themselves are celebrated for being incredibly rich in essential nutrients. They are an excellent source of dietary fiber, particularly soluble fiber known as beta-glucan, which has numerous benefits for heart health, including lowering cholesterol levels and helping to regulate blood sugar. Beyond fiber, oats also provide a good supply of vitamins and minerals, such as manganese, phosphorus, magnesium, copper, iron, zinc, folate, and B vitamins (B1 and B5).
One of the unique advantages of preparing oats as “overnight oats” is the soaking process. Soaking oats overnight allows the starches to break down naturally. More importantly, it helps to significantly reduce the levels of phytic acid, an antinutrient commonly found in grains. Phytic acid can bind to minerals, making them less available for absorption by your body. By reducing phytic acid, the soaking process enhances your body’s ability to utilize the oats’ impressive array of nutrients much more efficiently. This means you’re getting the most nutritional bang for your buck!
Furthermore, soaking oats makes them easier to digest than traditional cooked oats, which can be particularly beneficial for individuals with dietary sensitivities or those who find cooked grains heavy. Overnight oats absorb the liquid as they rest, becoming softened and creamy in the same way cooking does, but without any actual heat or stovetop work. This not only simplifies your morning routine but also preserves certain heat-sensitive nutrients that might be lost during cooking.
Even if you’re aiming to shed those extra holiday pounds or simply maintain a healthy weight, prioritizing breakfast is crucial. Overnight oats are an outstanding breakfast choice because their high fiber content promotes slow digestion, leading to prolonged feelings of fullness. This sustained satiety can help prevent mid-morning snacking and curb overall calorie intake throughout the day. As a whole grain, oats contribute significantly to a balanced diet, offering sustained energy and supporting digestive health. With these easy Overnight Oats, you can enjoy a genuinely satisfying and nutritious start to your day, feeling fueled and ready to tackle anything.
These delightful Overnight Oats require minimal effort, taking only about 10 minutes to prep the night before. You can quickly assemble them while packing lunches or winding down your evening. Even when working from home, they serve as an ideal, delicious breakfast or a perfectly satisfying mid-morning snack. My kids love grabbing a prepped jar from the fridge before heading out for school, tossing one into their lunch bags, or even enjoying it on the go as they walk to the bus stop. It’s truly easy-peasy and a family-favorite for good reason!
📖 VARIATIONS & SUBSTITUTIONS for Your Overnight Oats
One of the best things about this Oatmeal Raisin Cookie Overnight Oats recipe is its versatility. Feel free to customize it to your taste or dietary needs with these simple variations and substitutions:
- Lactose or Dairy-free: Easily make this recipe dairy-free by swapping regular milk for your favorite plant-based alternative. Unsweetened vanilla almond milk is a popular choice for its subtle flavor that complements the oats. Coconut milk adds a lovely creaminess, while soy milk offers a slightly higher protein content. Just ensure your chosen milk is unsweetened to control the overall sugar level.
- Chia Seeds: If you don’t have chia seeds on hand or prefer a different texture, ground flax seeds (flax meal) can be used as a substitute. They also help thicken the mixture and provide a good source of omega-3 fatty acids and fiber. The texture will be slightly different, but still enjoyable.
- Sweetener: Brown sugar adds a distinct warmth, but you have other options. Two tablespoons of maple syrup or honey can be used for a more natural, liquid sweetener. You could also opt for white granulated sugar if that’s what you have. For a sugar-free alternative, consider using a natural sweetener like stevia or erythritol, adjusting to taste.
- Raisins: While regular California raisins are classic for their sweetness and chewiness, don’t hesitate to experiment with other types. Golden raisins (also known as sultanas) offer a slightly fruitier, more delicate flavor and a lighter color. You could also try chopped dried cranberries or cherries for a different tart-sweet profile.
- Add-ins: Boost the nutritional value and flavor with various mix-ins.
- Protein Power: Stir in a scoop of your favorite protein powder (vanilla or unflavored work best) for an extra boost, perfect for post-workout mornings.
- Nutty Crunch: Add a tablespoon of chopped walnuts, pecans, or almonds for healthy fats and a satisfying crunch.
- Extra Fiber & Flavor: A teaspoon of shredded coconut or a sprinkle of flax seeds can add more texture and nutrients.
- Fresh Fruit: While the recipe calls for raisins, consider topping with fresh banana slices or berries in the morning for added freshness and vitamins.
- Creamier Texture: A dollop of Greek yogurt (dairy or non-dairy) can be stirred in before serving for an extra creamy boost and a protein punch.
🔪 INSTRUCTIONS: Crafting Your Overnight Oats
Making these Oatmeal Raisin Cookie Overnight Oats is incredibly simple, requiring just a few minutes of prep the night before. Follow these straightforward steps to enjoy a delicious and healthy breakfast without the morning rush.

Start by preparing your individual servings. In each of the four small glass jars (about 8 oz capacity is ideal), precisely measure and add ½ cup of uncooked rolled oats, ¾ tablespoon of brown sugar, ½ teaspoon of cinnamon, and 1 teaspoon of chia seeds. These dry ingredients form the flavorful base. Next, divide the California raisins evenly among the four jars, adding them to the dry mixture.

In a separate measuring cup, combine the wet ingredients: add the vanilla extract and butter extract to your milk. This ensures the flavors are well distributed before being added to the oats.

Carefully pour the milk mixture over the oat and raisin blend in each jar. Use a spoon to stir gently until all ingredients are well combined and the oats are fully submerged in the liquid. This ensures even absorption and a creamy consistency. Once mixed, secure the lids tightly on each jar. Place them in the refrigerator and let them chill overnight, ideally for at least 8 hours. This resting period allows the oats and chia seeds to soften and absorb the liquid, transforming into a thick, pudding-like consistency.
The next morning, your delicious Oatmeal Raisin Cookie Overnight Oats are ready to enjoy! You can eat them cold, straight out of the fridge for a refreshing start. Alternatively, if you prefer a warm breakfast, simply remove the lids and microwave each jar for about 30 seconds, or until warmed to your liking. For an extra touch of sweetness and texture, feel free to add a few more raisins on top before serving.
🍽 ESSENTIAL EQUIPMENT FOR OVERNIGHT OATS
This easy overnight oats recipe is designed for maximum convenience, allowing you to whip up a delicious breakfast in about 10 minutes. The right equipment can make the experience even better, and when it comes to overnight oats, the vessel you choose plays a key role.
Eating out of a jar, especially a charming mason jar, is often much more enjoyable and visually appealing than a standard bowl. For this recipe, I highly recommend using 8 oz mason jars (the same type I use for making jam). These jars are perfectly sized for individual servings, making portion control effortless. Beyond their aesthetic appeal, which truly elevates the breakfast eating experience, mason jars are incredibly practical. Their tight-sealing lids make them ideal for meal prep, allowing you to store your oats securely in the fridge without worrying about spills. This also makes them perfect for taking your breakfast on the go, whether you’re commuting to work, heading to school, or simply enjoying it outdoors.
However, if mason jars aren’t available, don’t worry! You can certainly use regular meal prep containers with secure lids. Any small, airtight container that holds about 8-10 ounces will work. The key is to have a container that can be sealed tightly to ensure the oats soak properly and remain fresh in the refrigerator.
👪 SERVING SIZE & ADJUSTMENTS
This delightful cinnamon raisin overnight oats recipe is crafted to yield 4 generous servings, making it perfect for meal prepping for a few days or feeding a small family. Each serving is designed to be a satisfying and nutritious start to your day. However, life often calls for flexibility, and this recipe is incredibly adaptable to your needs.
Whether you’re cooking for one and want to half the recipe, or preparing for a larger group and need to double or even triple it, adjusting the quantities is a breeze. Many interactive recipe cards (like the one below) allow you to simply click on the blue serving number and select your desired number of servings. The ingredient quantities will then automatically adjust to match your selection, saving you the hassle of manual calculations. This feature makes it effortless to ensure you always have the perfect amount of Oatmeal Raisin Cookie Overnight Oats on hand, minimizing waste and maximizing convenience.
🦺 IMPORTANT FOOD SAFETY TIPS
Ensuring food safety is crucial when preparing any meal, especially those that involve chilling and storage. While overnight oats are inherently simple and low-risk, following these guidelines will help keep your breakfast safe and delicious:
- Refrigeration is Key: Always refrigerate your overnight oats promptly after mixing. Do not leave food sitting out at room temperature for extended periods, especially ingredients like milk, which can quickly spoil. The “overnight” aspect strictly means chilling in the fridge.
- Ventilation for Stovetops: Although this recipe doesn’t involve cooking on a stovetop, if you’re ever using a gas stove for other meals, always ensure you have good ventilation. This is important for indoor air quality and safety.
- Never Leave Cooking Food Unattended: Again, while not directly applicable to overnight oats, this is a fundamental food safety rule for any kitchen activity involving heat. Always be present when cooking to prevent accidents.
- Cleanliness: Always start with clean hands, utensils, and containers to prevent contamination.
- Storage Duration: Prepared overnight oats can typically be stored in an airtight container in the refrigerator for up to 3-4 days. For optimal freshness and texture, consuming them within 2-3 days is recommended.
- Ingredient Freshness: Use fresh milk and ensure your oats and other dry ingredients are within their best-by dates.
- See more comprehensive guidelines at USDA.gov for general food safety practices.
⭐ COMMENTS & REVIEWS
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❔ FREQUENTLY ASKED QUESTIONS (FAQs)
While you can technically use steel-cut oats, they are going to result in a significantly chewier and denser overnight oat texture. Steel-cut oats are much less processed and require a longer soaking time, often leading to a more granular consistency even after extended refrigeration. Old-fashioned rolled oats, on the other hand, are steamed and flattened, which makes them ideal for overnight oats as they absorb liquid more readily, resulting in a delightfully creamy and smoother texture that is characteristic of traditional overnight oats.
Using quick oats (also known as instant oats) for overnight oats is generally not recommended. Quick oats are pre-cooked, dried, and then rolled very thinly, meaning they absorb liquid much faster. When soaked overnight, they tend to become overly soggy and mushy, losing the pleasant chewy texture that makes overnight oats so enjoyable. For a satisfying consistency that holds up well, stick to old-fashioned rolled oats.
Yes, “rolled oats” and “old-fashioned oats” are indeed interchangeable terms and refer to the same type of oat. This variety is characterized by being flat, flakey, and slightly oval-shaped. They are made by steaming whole oat groats and then rolling them. This process helps them absorb more liquid and cook faster than steel-cut oats, but still retain a good amount of texture and fiber, making them perfect for both cooking and overnight soaking applications.
When stored in airtight containers in the refrigerator, your Oatmeal Raisin Cookie Overnight Oats will stay fresh and delicious for 3 to 4 days. They are a fantastic meal prep option for busy weeks!
Absolutely! While many enjoy them cold, you can certainly warm your overnight oats. Simply remove the lid from the jar and microwave for 30-60 seconds, or until heated through. Stir well before enjoying.
The consistency of overnight oats can sometimes vary based on the type of milk and oats used. If your oats are too thick, simply add an extra splash of milk (about 1-2 tablespoons) and stir before eating. If they are too thin, you might have used too much liquid initially, or they needed more chia seeds. You can add a pinch more chia seeds and let them sit for another 30 minutes to thicken, or add a tablespoon of Greek yogurt for instant thickness.

If you find yourself loving the wholesome sweetness of raisins as much as I do, be sure to explore my other delightful raisin-infused recipes:
Butter Tart Waffles Recipe
Oatmeal Raisin Edible Cookie Dough
Raisin Sushi (Cinnamon Raisin Tortilla Pinwheels)
And if you’re exploring other fantastic oatmeal recipes for your morning routine, don’t miss out on my Bananas Foster Overnight Oats. It’s another incredibly easy and delicious breakfast idea that brings a touch of gourmet flavor to your table!


📋 Oatmeal Raisin Cookie Overnight Oats Recipe
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Equipment
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canning jars (8 oz)
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measuring cups and spoons
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large measuring cup or bowl for mixing wet ingredients
Ingredients
- 2 cups uncooked rolled oats – old fashioned (not quick)
- 3 tablespoon brown sugar (¾ tablespoon per each jar)
- 2 teaspoon cinnamon
- 4 teaspoon chia seeds
- ¾ cup California raisins
- 2 and ¾ cups low-fat milk * I use 1 % milk
- 2 teaspoon vanilla extract
- 1 teaspoon butter extract
Instructions
NOTE: The photos in this recipe card will NOT print unless you set them to print by selecting “recipe image”
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In each of the 4 small glass jars, place ½ cup of old-fashioned rolled oats, ¾ tablespoon brown sugar, ½ teaspoon cinnamon, and 1 teaspoon of chia seeds. Distribute the California raisins evenly among the 4 jars and add them to the dry ingredients.
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In a measuring cup, add the vanilla extract and butter extract to the milk. Stir to combine thoroughly.
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Pour the milk mixture carefully over the oat and raisin blend in each jar.
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Stir gently with a spoon until all the dry ingredients are moistened and well mixed with the liquid.
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Cover each jar tightly with its lid and refrigerate overnight (for at least 8 hours) to allow the oats to soften and absorb the flavors.
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In the morning, enjoy your Oatmeal Raisin Cookie Overnight Oats cold straight from the fridge, or for a warm breakfast, remove the lids and microwave each jar for approximately 30-60 seconds, or until warmed through. Add extra raisins or a sprinkle of cinnamon, if desired, before serving.
Nutrition
🍳 More Healthy and Hearty Breakfasts!
If you loved the ease and deliciousness of these Oatmeal Raisin Cookie Overnight Oats, you’ll be thrilled to explore more healthy and hearty breakfast options that are perfect for busy schedules or leisurely mornings. These recipes are designed to keep you satisfied and energized, offering a variety of flavors and textures to suit every craving. Get ready to elevate your breakfast game with these fantastic ideas:
- Mediterranean Breakfast Burritos (Vegetarian)
- Award Winning Brown Butter Pecan Granola
- Sheet Pan Rum and Raisin Pancakes
- Apple Pie 2 Ingredient Dough Cinnamon Rolls