Polish Casserole - cooking recipe

Ingredients

1 lb polska kielbasa, sliced
1 head green cabbage, chopped
1/2 cup butter
1 chopped onion
1 package frozen pierogi
salt
pepper

Preparation

Melt butter in large oven proof skillet.
Saute onion, add sausage. Stir.
Add chopped cabbage, cover.
Parboil frozen pierogies.
When cabbage has wilted, add salt and pepper to taste.
Add pierogies.
Put into 350 degree oven with skillet lid.
Bake 20 minutes.