Polish Cabbage Rolls("Gobabki") - cooking recipe

Ingredients

4 lb. (about 1 large head) cabbage
1 lb. hamburg
2 c. cooked rice
1 small onion, chopped
2 Tbsp. butter
salt and pepper to taste
1 c. (8 oz.) tomatoes or tomato sauce

Preparation

Parboil cabbage until leaves may be separated (about 30 minutes); cool enough to handle.
Separate leaves and cut off thick membrane.