1 cup sharp Cheddar cheese
1/2 cup Parmesan cheese
2 teaspoon finely chopped onion
1 can chopped black olives
Garlic salt to taste
Cocktail rye bread
Combine the mayonnaise, cheeses, onion, olives and garlic salt. Mix together and spread on cocktail rye bread. Put under the broiler for a few minutes, until cheese bubbles.