A slice of pierogi casserole on a plate with a fork

Pierogi Casserole

A pierogi casserole recipe with lasagna noodles, mashed potatoes, American cheese, butter, and onions.

Course Dinner
Cuisine American
Keyword pierogi casserole, pierogi casserole with mashed potatoes
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings 12 servings
Calories 435 kcal
Author Kelly Miller


  • 16 oz lasagna noodles cooked according to package directions
  • 6 cups mashed potatoes
  • 3 tbsp dried minced onion
  • 18 slices American cheese
  • 1/2 cup butter sliced in 15 thin slices


  1. Spray a 9 x 13 baking dish with nonstick spray.

  2. Lay 3 - 4 lasagna noodles in one layer, overlapping slightly as needed, in the bottom of the baking dish.

  3. Spread 2 cups of mashed potatoes evenly over the noodles.

  4. Sprinkle 1 tablespoon of minced onion over the mashed potatoes.

  5. Layer 6 slices of American cheese and 5 thin slices of butter.

  6. Repeat these layers twice more, for a total of three layers.

  7. Cover with foil and bake at 350 degrees for 25 - 30 minutes or until cheese is melted.

  8. Store leftovers tightly covered in the refrigerator.

Nutrition Facts
Pierogi Casserole
Amount Per Serving
Calories 435 Calories from Fat 162
% Daily Value*
Fat 18g28%
Saturated Fat 10g63%
Cholesterol 51mg17%
Sodium 627mg27%
Potassium 475mg14%
Carbohydrates 54g18%
Fiber 3g13%
Sugar 3g3%
Protein 13g26%
Vitamin A 535IU11%
Vitamin C 25.2mg31%
Calcium 351mg35%
Iron 1.1mg6%
* Percent Daily Values are based on a 2000 calorie diet.