Instructions

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