1/2 c. mayonnaise
1 tsp. parsley
1/3 c. chopped onion
Party rye bread
Party pumpernickel bread
Black olives, sliced thin
Swiss cheese, sliced into thin squares

Mix mayonnaise, parsley, and onion. Spread on a slice of the party bread. Place a small slice of Swiss cheese and a black olive ring on top. Bake at 375 degrees for 4 to 5 minutes.