1 pound ground beef
1 small onion, chopped
1 pkg taco seasoning
8 oz sour cream
1 (12 oz) bottle taco sauce
16 oz grated sharp cheddar cheese
2 1/2 C shredded lettuce
3-4 tomatoes, deseeded and chopped
1. Cook beef, onion and taco seasoning until beef is no longer pink. Drain and cool.
2. In a 9″ square pan, layer sour cream, taco sauce, ground beef mixture, cheddar cheese, lettuce and cheese.
3. Serve with tortilla chips.