2 lb. ground beef
1/2 c. onion, chopped
1 can tomatoes
2 tbsp. chili powder
salt and pepper
cheese
tomatoes
lettuce
taco shells

Brown meat. Add onion, tomatoes, chili powder, salt and pepper, increasing chili powder if needed. Cover and simmer 2 hours. Grate cheese, chop tomatoes and lettuce. Fill taco shells with meat and toppings as desired.