Hot Cheese Hors D'Oeuvres - cooking recipe

Ingredients

1/2 c. mayonnaise
1/2 c. Parmesan cheese
1/2 c. chopped onion
sharp cheese
10 slices bread without crusts

Preparation

Cut bread into 4 squares.
Mix first 3 ingredients together. Spread onto bread; top with thin slice of cheese.
Broil until bubbly and serve.