Lasagna Pierogi Casserole

Prep: 20 min Cook: 30 min Cuisine: American

A hearty casserole combining lasagna noodles, creamy mashed potatoes, and melted processed cheese, perfect for comforting family dinners with rich, savory flavors.

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Ingredients

  • 4 Tbsp. margarine
  • 1 large onion
  • 9 lasagna noodles
  • 6 large potatoes
  • 1/2 lb. shredded processed cheese

Instructions

  1. Saute chopped onion in margarine until translucent.
  2. Cook lasagna noodles according to package instructions.
  3. Peel and cook potatoes until tender, then mash with shredded processed cheese until cheese is melted and smooth.
  4. Butter a 13 x 9-inch casserole dish.
  5. Layer 3 lasagna noodles, half of the potato mixture, and one-third of the onion/margarine mixture in the dish.
  6. Repeat with another 3 lasagna noodles, remaining potato mixture, and another one-third of the onion/margarine mixture.
  7. Finish with the last 3 lasagna noodles, remaining potato mixture, and the final one-third of the onion/margarine mixture.
  8. Seal the casserole with foil and bake in a preheated 350°F (175°C) oven for 30 minutes.

Tips & Substitutions

For a creamier filling, consider adding a dollop of sour cream or Greek yogurt to the potato mixture. You can substitute the processed cheese with mozzarella or cheddar for a different flavor profile. If you prefer a meatier dish, cooked ground beef or Italian sausage can be layered in. Remember to stir occasionally while sautéing the onions to avoid burning.

Serving Suggestions

Serve this casserole with a fresh green salad for a balanced meal, or pair it with crusty bread to soak up the flavors. A dollop of sour cream on top can add a nice tang. For a cozy brunch option, consider serving it alongside Fluffy Sour Cream Pancakes for a delightful spread.

Storage & Reheating

Leftover lasagna pierogi casserole can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm in a preheated oven at 350°F (175°C) for about 20 minutes, or until heated through. You can also microwave individual portions, but be sure to cover to retain moisture.

Nutrition & Diet Analysis (per serving)

Each serving of Lasagna Pierogi Casserole contains roughly 1101 calories, with 10g protein, 87g carbohydrates, and 81g fat. It is an excellent source of protein (21% of the Daily Value) and dietary fiber (21% of the Daily Value), and a good source of iron and potassium. Note that it is relatively high in sodium, at 1205mg per serving (52% of the Daily Value).

1101 kcal 55% DV
Protein Fat Carbs

Macronutrients

Protein 10.5g 21% DV
Total Fat 81.1g 100% DV
Carbs 86.6g 31% DV
Fiber 5.9g 21% DV
Sugar 11.5g 23% DV

Electrolytes

Sodium 1204.5mg 52% DV
Potassium 548.6mg 12% DV

Vitamins & Minerals

Vitamin C 7.5mg 8% DV
Calcium 74.6mg 6% DV
Iron 3.1mg 17% DV
Diet fit High-fiber
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Assemble the layers but do not bake. Cover tightly with foil and store in the refrigerator. When ready to serve, simply bake it in the oven as directed, adding a few extra minutes if it’s coming straight from the fridge.

What can I use instead of margarine?

You can easily substitute butter or olive oil for margarine in this recipe. Both will provide a rich flavor. For a dairy-free option, use a plant-based butter. Adjust the amount based on your taste preference.

How do I know when the casserole is done baking?

The casserole is done when it is hot throughout and the top is slightly golden. You can check the internal temperature; it should reach at least 165°F (74°C). Let it sit for a few minutes before serving for easier slicing.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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