Mushroom Appetizers - cooking recipe

Ingredients

3 tablespoons butter
1 cup sweet onion, chopped fine
2 cups mushrooms, chopped finely
1 cup mozzarella cheese, grated
1/4 cup parmesan cheese
1 teaspoon parsley flakes
1 large egg, beaten
1/2 teaspoon oregano
salt & pepper
12 slices square bread, crusts removed (white or whole wheat, I prefer the whole wheat)
1/3 cup butter, softened
3 slices Kraft processed cheese slices

Preparation

Melt butter in a large fry pan and add the onions and mushrooms, Saute until soft.
Add Mozzarella, parmesan, parsley, egg,salt& pepper, cook for 1 minute and remove from heat.
Roll each crustless slice of bread to flatten it, butter each piece and cut each slice into 4 square pieces.
Press bread pieces, the buttered side down, into a tiny muffin tins.
Fill with mushroom mixture (about 1 1/2 tsp to each tartlet).
Cut the 3 cheese slices into 16 pieces so you will have 48 pieces and put a piece on top of each tartlet.
Bake in 350f oven for 20 to 25 minutes.