12 oz. Swiss cheese, shredded
1 (4 oz.) can mushrooms, drained
1/3 c. sliced or chopped ripe olives
2 tbsp. mayonnaise
1/2 (8 or 9 oz.) pkg. pepperoni, chopped
1 sm. onion, chopped

Mix ingredients. Top each Triscuit with 1 tablespoon mixture. Broil until cheese melts or microwave until cheese melts.