Mushroom Cups

1 c Chopped onions

2 c Chopped mushrooms

3 tb Margarine

1/2 c Chopped parsley

2 Egg yolks

3/4 c Grated mozzarella cheese

1/2 c Grated parmasean cheese

1 ts Salt

8 Sliced white bread

1/2 c Melted butter

Saute onions and mushrooms in margarine. Remove from heat. Add parsley, eggs, cheeses and seasoning. Combine well. Trim crusts from bread and cut into 4 equal squares. Roll pieces flat with a rolling pin. Dip bread in melted butter and arrange in miniture muffin tins. Fill each with mushroom-cheese mixture. Bake 350 degrees for 20-25 minutes.