Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      cup           chopped onions
   2      cups          chopped mushrooms
   3      tablespoons   margarine
     1/2  cup           chopped parsley
   2                    egg yolks
     3/4  cup           grated mozzarella cheese
     1/2  cup           grated parmasean cheese
   1      teaspoon      salt
   8                    sliced white bread
     1/2  cup           melted butter

Preparation:

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.