Easy Pierogi Stuffed Shells

pierogi stuffed shells with cheddar cheese on a serving spoon

5 from 1 vote

Easy Pierogi Stuffed Shells are baked pasta shells filled with cheesy mashed potatoes topped with sauteed onions and lots of cheddar cheese. This lazy pierogi casserole makes a delicious dinner the whole family will love!

Prep Time30

Cook Time30

Total Time1

Course: Main

Cuisine: European American

Servings:

Author: Dee

Cost: $10

Ingredients

12 oz jumbo pasta shells cooked according to package directions
1 medium yellow onion chopped
4 tablespoons butter
3 cups mashed potatoes
4 cups shredded cheddar cheese or cheese blend, divided
Salt and pepper to taste
Additional butter as needed
¼ cup water or broth optional

Instructions

Preheat oven to 350° f and grease a baking dish with non stick spray
Cook the shells according to package directions, drain and let cool.
In a large skillet, melt butter, and cook the onions in butter over medium heat until a light golden brown. Set aside
Warm up the leftover mashed potatoes and mix in 2 cups of cheddar cheese until blended
Stuff the shells with the mashed potatoes, about 2 tablespoons per shell, and place stuffed side up into prepared 13 X 9 baking dish
Pour sauteed onions and butter over shells, and top with remaining shredded cheese.
Bake at 350 degrees for about 30 minutes or until cheese is melted and shells are heated through.

Notes

You can also use store bought mashed potatoes, or make them from scratch

For softer shells, add 1/4 cup water or broth to the baking dish before baking.

Nutrition