Created by Bergy on December 6, 2011
Step 1: Melt butter in a large skillet, add onions and mushrooms, saute until soft about 6 minutes
Step 2: Add Mozzarella, parmesan, parsley, egg, salt and pepper cook for 1 minute, remove from heat
Step 3: Flatten the crustless bread slices with a rolling pin, butter each piece and cut into 4 square pieces
Step 4: Press each piece, buttered side down, into the tiny muffin tins
Step 5: Fill each with the mushroom mixture
Step 6: Cut each cheese slice into 16 pieces and place a piece on each tartlet
Step 7: Bake in 350f oven for approximately 20 minutes or until the cheese has melted and nicely browned