2 c. mayonnaise
8 oz. shredded Cheddar
8 oz. shredded Mozzarella
10 mushrooms, chopped
1/2 c. black olives, chopped
1/2 c. green pepper, chopped
1/2 c. onion, chopped
1 pkg. pepperoni, chopped

Mix everything together (save 1/2 pepperoni and 1/2 black olives to garnish top). Bake at 350 degrees for 30 minutes. Serve hot with tortilla chips.