1 lb. hamburger
1- 3 1/2 oz. bag nacho flavored corn chips
1 packet taco seasoning
1 can cheddar cheese soup
1 tomato, chopped
mozzarella cheese
chopped lettuce
sour cream

Pre-heat oven to 350°F. Brown hamburger and drain. Add taco seasoning according to packet and simmer. Crush chips and sprinkle over bottom of a 9x9 pan. Top with hamburger mixture then spread cheese soup over all. Sprinkle with tomato and mozzarella cheese.

Bake uncovered for 20 minutes, or until cheese is golden brown on top. Top with lettuce and sour cream, then serve.