Craving the hearty, comforting flavors of classic pierogi but short on time? This **Shortcut Lazy Pierogi Casserole** is your answer! Designed for ultimate ease and convenience, this recipe streamlines the traditional pierogi-making process into a simple, layered bake. Featuring instant mashed potatoes, savory farmer’s cheese (or dry cottage cheese), and no-boil lasagna noodles, it’s then generously loaded with rich cheddar cheese, crispy bacon, and sweet diced onions. The result is a profoundly satisfying, flavor-packed dish that captures the essence of loaded pierogi in an effortless casserole format. It’s truly a game-changer for busy weeknights or when you need a comforting meal without the fuss.

This “lazy” approach to pierogi is particularly cherished during the colder months, offering warmth and a taste of home. Its inspiration stems from our popular Potato and Cottage Cheese Perogies recipe, transforming the beloved dumpling into an accessible casserole. This versatile dish pairs wonderfully with robust flavors like Air Fryer Kielbasa and complements other comfort food favorites such as our Slow Cooker Cabbage Roll Casserole. Whether served as a hearty main course or a substantial side dish, this pierogi casserole is the quintessential cozy comfort food, perfect for family dinners and gatherings.

What Our Readers Are Saying

“I made this in a 6-7 qt. crockpot, as I currently have no oven (getting a new kitchen!) so- I have to be resourceful to get dinner on the table. And this Lazy Pierogi casserole filled the bill just great – all of my favorite food groups put together! Cheese, butter, potatoes, noodles, bacon, and onion – IT was so good, and we had seconds and thirds – I had mine topped with sour cream yum, yum- was very filling too for our bone-chilling. winter nights here in the PNW! thanks again – You”ve got a winner!!” ⭐⭐⭐⭐⭐

The Inspiration Behind This Lazy Pierogi Casserole

Many years ago, my Auntie Tania introduced me to the concept of “lazy pierogi,” a simplified version of the traditional Ukrainian dumpling that skips the laborious dough-making and filling process. When I later sought out her original recipe, it had unfortunately been misplaced. Driven by the memory of that delightful dish, I decided to recreate my own quicker, easier version. This recipe is a homage to that comforting memory, reimagined with modern shortcuts to bring those beloved flavors to your table with minimal effort. It captures the essence of classic pierogi – creamy potatoes, tangy cheese, and savory toppings – but in an accessible and convenient casserole form.

Essential Ingredients for Your Lazy Pierogi Casserole

To create this incredibly simple yet flavorful casserole, you’ll need a few key ingredients. We’ve chosen these specific components to maximize ease and minimize prep time, ensuring a delicious result every time. These simple and inexpensive items come together to form a truly satisfying meal:

• Pre-cooked Bacon: We opt for pre-cooked bacon to significantly cut down on preparation and cleanup. It’s a quick way to add that irresistible smoky, salty crunch without the mess of cooking raw bacon from scratch. For convenience, large packs are often available at warehouse clubs like Costco.
• Oven-Ready Lasagna Noodles: These are a true game-changer! Unlike traditional lasagna noodles that require boiling, oven-ready varieties soften and cook directly in the casserole with the moisture from the other ingredients. This saves a crucial step and makes the entire process much faster.
• Instant Mashed Potatoes (2 – 113g pkgs): Instant mashed potatoes are the secret weapon for speeding up the filling process. They provide the creamy, comforting potato base of pierogi without the need to boil, peel, and mash fresh potatoes. Brands like Idahoan Buttery Homestyle are excellent choices for their rich flavor and simple preparation (often requiring just boiling water).
• Dry Cottage Cheese (Farmer’s Cheese): This ingredient is essential for achieving the traditional pierogi filling texture. Dry cottage cheese, also known as farmer’s cheese, has a firmer consistency and much less liquid than regular cottage cheese, preventing the casserole from becoming watery. Its mild, slightly tangy flavor is perfect for balancing the richness of the potatoes and cheese.
• Cheddar Cheese: Shredded cheddar cheese adds a delightful sharp, savory flavor and contributes to the melty, gooey texture of the casserole. We use it both mixed into the filling and sprinkled on top for a golden, bubbly crust.
• Unsalted Butter: Using unsalted butter allows you to control the overall salt content in your dish, ensuring it’s perfectly seasoned to your preference. Butter is crucial for sautéing the onions and adding a rich, indulgent flavor to the casserole.
• Onions: Diced onions are sautéed in butter to create a sweet, aromatic layer that is fundamental to classic pierogi toppings. They add depth of flavor and a lovely texture.
• Salt: A fundamental seasoning to enhance all the flavors in the casserole. Adjust to taste.

*Please see the recipe card for a full list of ingredients and precise quantities.

Customize Your Casserole: Variations & Substitutions

One of the best things about this lazy pierogi casserole is its adaptability. Feel free to experiment with these variations and substitutions to suit your taste, dietary needs, or what you have on hand in your pantry.

• Potatoes: While instant mashed potatoes are key for the “shortcut” aspect, you can absolutely use any type of instant mashed potatoes you prefer. Brands like Idahoan and Honest Earth are consistently good. Alternatively, if you have leftover homemade mashed potatoes, they work wonderfully and add an even creamier, richer texture to the filling. Just ensure they are well-seasoned.
• Bacon: If pre-cooked bacon isn’t available, or you prefer a different texture, you can certainly use regular bacon. Simply cook it in a frying pan until crispy, then crumble or chop it before adding to the casserole. For a quicker option or vegetarian alternative, store-bought bacon bits can also be used, though they may lack the fresh flavor of cooked bacon. For a healthier option, consider turkey bacon.
• Cottage Cheese: If farmer’s cheese (dry curd cottage cheese) is hard to find, regular full-fat or low-fat cottage cheese can be used as a substitute. The crucial step here is to drain it thoroughly first to remove as much liquid as possible. This prevents the casserole from becoming soggy and helps maintain the desired creamy, yet firm, pierogi-like filling consistency. You can do this by placing it in a fine-mesh sieve or cheesecloth for at least 30 minutes.
• Lasagna Noodles: Oven-ready lasagna noodles are fantastic for this recipe, but you have other options. Fresh lasagna noodles can be used directly without soaking or boiling, offering a slightly softer texture. If you only have regular lasagna noodles, you will need to boil them according to package directions until al dente before layering them into the casserole. For a boost in fiber, whole wheat lasagna noodles are an excellent, healthy alternative that works just as well.
• Dill: Fresh dill adds an authentic Ukrainian flavor, but if it’s not accessible, dried dill can be used. Remember that dried herbs are more concentrated than fresh, so use half the amount (e.g., if the recipe calls for 1 tablespoon fresh dill, use ½ tablespoon dried).
• Cheese Varieties: While cheddar cheese provides a classic flavor, feel free to experiment with other melting cheeses. Gruyere, mozzarella, or a blend of Italian cheeses could offer different flavor profiles.

How to Make This Easy Lazy Pierogi Casserole

Creating this delicious lazy pierogi casserole is a straightforward process involving layering flavorful components into a baking dish. Follow these simple steps for a comforting meal:

PREP: Begin by preparing your baking dish and oven. Spray a 9×13 inch baking pan generously with non-stick cooking spray to prevent sticking. Preheat your oven to 350°F (176°C). You can also do this step after the noodles are done soaking, using the same pan for soaking and then baking if it’s oven-safe.

Place your oven-ready lasagna noodles in a separate dish and cover them with hot water. Let them soak for approximately 20 minutes. This step helps to jumpstart the softening process, ensuring they cook perfectly in the casserole without becoming tough.

*Be sure to stir the noodles gently and regularly during soaking to prevent them from sticking together. If they clump, it will be very difficult to separate them for layering. If you have a smaller dish, you can split the noodles into two dishes to give them more room.

While the noodles are soaking, prepare both packages of instant mashed potatoes according to their package directions. Combine them in one large bowl. For brands like Idahoan Buttery Homestyle, this often means simply adding boiling water and stirring until smooth and fluffy.

Into the warm mashed potatoes, thoroughly mix 1 ½ cups of shredded cheddar cheese, the dry cottage cheese, and ½ teaspoon of salt. Ensure all ingredients are well combined to create a creamy and flavorful pierogi-style filling. Remember to reserve the remaining ½ cup of cheddar cheese for the topping.

Carefully remove the soaked lasagna noodles from the hot water. Place them on a plate lined with paper towels and gently pat them dry. This step helps remove excess moisture, preventing the casserole from becoming watery and ensuring the noodles have the right texture.

In a microwave-safe bowl, combine the diced onions with the butter. Microwave for about 3 minutes, or until the onions are softened and translucent. This quick sauté infuses the butter with sweet onion flavor, creating a delicious topping base. For a richer flavor, you can also sauté them on the stovetop until golden brown.

Microwave the pre-cooked bacon for approximately 2 minutes and 50 seconds, or until crispy. Place the cooked bacon on paper towels and pat well to remove any excess grease. Once cooled slightly, chop the bacon into small, bite-sized pieces. Add the chopped bacon to the butter and onion mixture, stirring to combine. This creates the savory, smoky topping for your casserole.

In the bottom of your prepared 9×13 inch baking pan, arrange three of the soaked and dried lasagna noodles. Lay them flat to completely cover the bottom of the dish, creating the base layer for your casserole.

Spread one-third of the potato and cheese mixture evenly over the lasagna noodles. Ensure the noodles are completely covered by the potato mixture, as any exposed edges may become hard and dry during baking.

Drizzle one-third of the melted butter, bacon, and onion mixture evenly over the potato layer. This will infuse the casserole with rich, savory flavors as it bakes.

Repeat steps 7, 8, and 9 two more times, creating a total of three complete layers of noodles, potato mixture, and the butter, bacon, and onion topping. This layering technique ensures every bite of the casserole is packed with flavor and texture.

Once all layers are assembled, sprinkle the reserved ½ cup of cheddar cheese evenly over the very top of the casserole. This cheese layer will melt and brown beautifully, adding a delicious crust.

Tightly seal the baking dish with aluminum foil. This is a crucial step! The foil traps the steam and moisture, which helps the lasagna noodles soften and cook through perfectly. Bake for 55 minutes in the preheated oven.

After 55 minutes, remove the foil. Increase the oven temperature to 500°F (260°C) or switch to the broiler setting. Cook for an additional 1-2 minutes, watching carefully, until the cheese on top is bubbly, golden brown, and slightly crispy. Let the casserole cool for 5 minutes before serving to allow it to set and for the flavors to meld.

Hint: It’s important that the dish is well-sealed with foil during the initial bake. This ensures that the trapped liquid and steam effectively soften the oven-ready noodles, preventing them from becoming hard and dry. A tight seal guarantees a perfectly cooked and tender casserole.

Expert Recipe Tips for the Perfect Lazy Pierogi Casserole

Elevate your lazy pierogi casserole with these expert tips:

• Mind Your Noodles: When using oven-ready lasagna noodles, ensure they are completely covered by the potato mixture. Any exposed edges will dry out and turn hard and crunchy, which is not ideal for this creamy dish. Most no-boil noodles will expand during cooking, so it’s a good idea to slightly overlap them, leaving a tiny gap from the very edges of the dish, to accommodate for expansion and prevent them from touching the sides and becoming rigid.
• Caramelized Onions Upgrade: For a depth of flavor that truly transforms the dish, consider caramelizing your onions instead of just microwaving them. Sauté the diced onions in butter in a pan over medium-low heat for 15-20 minutes, stirring occasionally, until they turn a rich golden brown and become beautifully sweet. This extra step adds an unparalleled richness and sweetness that complements the savory pierogi flavors.
• Utilize Leftover Mashed Potatoes: If you happen to have leftover homemade mashed potatoes, this is the perfect recipe to put them to good use. Swapping them in for instant potatoes will yield an even creamier, more luxurious filling with a wonderful homemade touch. Just make sure they are well-seasoned before mixing.
• Make Ahead & Refrigerate: This casserole is an excellent make-ahead meal. You can assemble the entire dish up to a day in advance. Cover it tightly with plastic wrap or aluminum foil and store it in the refrigerator. When you’re ready to bake, simply remove it from the fridge and bake as directed, adding an extra 5-10 minutes to the cooking time if it’s still cold from refrigeration. This allows the flavors to meld beautifully, often enhancing the taste.
• Enhance with Extra Toppings: Serving this casserole is an opportunity to add more authentic pierogi flair. Offer a generous dollop of cool sour cream, a sprinkle of freshly chopped dill (or green onions), and a luxurious drizzle of melted butter for that classic pierogi experience. For an added textural element and flavor, crispy fried onions or more fresh chives make a fantastic garnish.
• Proper Foil Seal: As mentioned, the tight seal with aluminum foil is critical. If your foil isn’t perfectly sealed, the steam will escape, and your noodles might not cook through properly, resulting in dry, firm edges. Ensure a snug fit around the baking dish.

What to Serve with Shortcut Lazy Pierogi Casserole

This hearty casserole is incredibly versatile and pairs well with a variety of side dishes. For a complete and satisfying meal, consider these complementary options:

• Kielbasa: A classic pairing with pierogi! Our Air Fryer Kielbasa recipe makes a quick and delicious companion, offering a savory, smoky contrast to the creamy casserole.
• Lazy Slow Cooker Cabbage Rolls: For a truly effortless comfort food feast, serve your pierogi casserole alongside our Lazy Slow Cooker Cabbage Rolls. Both dishes are easy to prepare and bring rich, traditional flavors to your table. (See image below for inspiration!)
• Borscht: A bowl of warm Beef Borscht (with canned beets) makes a perfect starter or a light, flavorful soup to accompany this substantial casserole. Its vibrant flavors and comforting warmth are an ideal match.
• Simple Green Salad: To lighten up the meal, a fresh, crisp green salad with a light vinaigrette provides a refreshing contrast to the richness of the casserole.
• Roasted Vegetables: Roasted asparagus, green beans, or Brussels sprouts can add a healthy and flavorful side.
• Sour Cream and Fresh Dill: Always offer extra sour cream and fresh dill as garnishes for an authentic pierogi experience.

And for dessert, a traditional Ukrainian Walnut Cake would be a delightful sweet finish to your meal.

Storage and Make-Ahead Tips

This lazy pierogi casserole is fantastic for meal prepping or enjoying leftovers:

• Refrigeration: Store any leftover Lazy Pierogi Casserole in an airtight container in the refrigerator for up to 4-5 days. Reheat individual portions in the microwave or a larger portion in the oven until warmed through.
• Freezing: This casserole freezes exceptionally well. Once completely cooled, transfer portions into freezer-safe airtight containers or wrap tightly in plastic wrap and then foil. It can be frozen for up to 3 months. To reheat from frozen, thaw in the refrigerator overnight, then bake in the oven at 350°F (175°C) until heated through and bubbly, usually 20-30 minutes, or microwave individual servings.
• Make Ahead: As mentioned in the expert tips, you can assemble the entire casserole up to 24 hours in advance. Cover it tightly and refrigerate. This allows the flavors to deepen and makes for an even quicker dinner on a busy day. Simply pull it out of the fridge and bake when ready.

What to Do with Leftover Dry Cottage Cheese (Farmer’s Cheese)

Don’t let any leftover dry curd cottage cheese go to waste! It’s a versatile ingredient with several uses. You can freeze it in an airtight container for up to 3 months, making it readily available for future recipes. For more creative ideas, be sure to check out our comprehensive post featuring 15 Recipes with Farmer’s Cheese (Dry Cottage Cheese) – you’ll find plenty of inspiration for both sweet and savory dishes!

Serving Size and Adjustments

This recipe is designed to yield 8 generous servings, making it perfect for family meals or small gatherings. Should you need to adjust the quantity, you can easily half, double, or even triple the recipe. Simply click on the serving number in the recipe card, select your desired number of servings, and the ingredient quantities will automatically adjust for you. This flexibility ensures you can prepare just the right amount for any occasion.

Making it WW-Friendly and Nutrition Notes

As written, this Shortcut Lazy Pierogi Casserole is an indulgent dish, packed with rich flavors and hearty ingredients. For those tracking calories or Weight Watchers (WW) points, it’s important to note its current nutritional profile. However, this recipe can be easily adapted to be more WW-friendly without sacrificing too much on taste. Here’s how:

• Use light butter instead of regular butter.
• Opt for fat-free cheese and fat-free dry cottage cheese.
• Substitute regular lasagna noodles with whole wheat lasagna noodles (brands like Catelli Healthy Harvest are great).
• Swap traditional bacon for leaner turkey bacon.
• Using homemade mashed potatoes (especially if made with low-fat milk or broth) instead of instant can also significantly reduce the points.

By making these thoughtful substitutions, you can bring the WW points down to approximately 7 points per serving (for ⅛ of the whole recipe), making this comforting dish a more balanced option for your healthy eating plan.

Frequently Asked Questions About Lazy Pierogi Casserole

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