24 oz. sour cream
3 oz. cream cheese
1/2 head of lettuce
1 can tomato wedges
8 oz. shredded Cheddar cheese
8 oz. Mozzarella cheese, shredded
8 oz. taco sauce
1 sm. onion, chopped
Tostados

Mix sour cream and cream cheese until smooth. Add chopped onion to mixture. Spread the mixture on a large plate. Top with shredded lettuce, chopped tomato wedges, shredded Cheddar and Mozzarella cheese and taco sauce. Dip with tortilla chips.