Polish Lenten Mushroom "cutlets"

Ingredients

1 lb mushrooms
1 c onion
3 tb butter
2 rolls
3 1/2 c milk
3 eggs
1/2 c breadcrumbs
3 tbsp butter
4 mixture

Instructions

breadcrumbs. Fry in butter until crisp and brown on both sides. Variation: You could substitute dried mushrooms for part or all of the fresh mushrooms. They are a favorite among the Polish for their rich and interesting flavor."