1 large (13 oz.) pkg. Doritos (save 2 c. for topping)
2 tbsp. grated onion
1 (10 oz.) can chili with beans
10 to 15 oz. enchilada sauce
8 oz. can tomato sauce
1 1/2 c. shredded sharp Cheddar cheese

Topping:

2 c. Doritos
1 1/4 c. sour cream
1/2 c. shredded cheese

Preheat oven to 375°F. Crumble 6 cups Doritos into large mixing bowl. Add onion, chili, enchilada sauce and 1 1/2 cups cheese to crumbled Doritos. Stir with rubber spatula. Place mixture into 8 1/2 x 11 baking dish.

Bake for 20 minutes. Remove from oven. Spread sour cream. Top with rest of Doritos. Sprinkle 1/2 cup cheese on top.