Tender lasagna with a filling of creamy cheeses, mashed potatoes,onions and spices, this pierogi casserole is so full of flavor, perfect for a family gathering or anytime!!
Prepare mashed potatoes (if you need a recipe, see mine)
Cook lasagna noodles according to package directions. Drain, then place in cold water until ready to use.
Preheat oven to 350°F/175⁰C.
Melt butter in skillet over medium-high heat. Add onions, sauté until tender, about 5 minutes. Remove from heat.
Mix together cottage cheese, egg and Three Onion Rub.
In another bowl, combine mashed potatoes and 1 cup cheddar cheese, salt and pepper.
Place 4 lasagna noodles in bottom of Stone Rectangular Baker (3 lengthwise, one horizontal).
Top with cottage cheese mixture, and four more noodles. Top with potato-cheese mixture, remaining noodles and sauteed onions. Cover noodles with remaining cheese. Cover and bake for 25-30 minutes, until heated through and cheese is melted.
Let stand for tenminutes prior to slicing and serving. Topwith sour cream and chives, if desired.
Notes
This recipe freezes well. You can store any leftovers in a sealed container up to three days or freeze in a freezer safe container up to three months.