Quick Perogies Casserole - cooking recipe

Ingredients

1 (16 ounce) package frozen pierogies
3 tablespoons oil
2 large onions, sliced thinly
1 cup sliced mushrooms
1 (14 ounce) can tomatoes, diced
1 tablespoon chopped parsley
3/4 teaspoon salt
1/4 teaspoon pepper
1 cup water

Preparation

Prepare perogies as per package directions for boiled perogies.
Drain.
In a large skillet, heat oil.
Add onions and mushrooms.
Cook until soft and golden.
Add remaining ingredients and bring to a boil.
Cook for 5 minutes.
Preheat oven to 350\u00b0F.
In a shallow 2 qt casserole dish arrange perogies and cover with onion mixture.
Bake covered 30 minutes.