1 loaf party rye bread
1 cup grated sharp cheddar cheese
1 cup grated Parmesan cheese
1 cup mayonnaise
1-1/4 Tbls. chopped onion
1 small can black olives, chopped
Mix last five ingredients together and spread on rye bread. Freeze on trays until hard. Wrap put in freezer. When ready to serve, put under broiler a few minutes until cheese is bubbly.