Cabbage and Mushroom Filling for Pierogis

Ingredients :

1 x Cabbage head, small
2 cup Mushrooms, chopped
2 tbl Sour cream
1 x Onion, chopped fine
Butter, as needed
Salt and pepper to taste

Method :

* Quarter cabbage and cook in salted water for 15 minutes. Drain, cool and chop fine. Saute onion in butter, add chopped mushrooms and fry 5 minutes.
* Add chopped cabbage and continue to fry until the flavors blend. Salt and pepper to taste Add sour cream and cool. 2 cups sauerkraut may be substituted for the cabbage Rinse, drain, chop and proceed as above. ( No servings amount given. The 1 stands for 1 batch of filling. )