1 c. chopped onion
1 clove garlic, minced
2 tbsp. butter
2 lb. ground beef
1 (10 3/4 oz.) can cream of mushroom soup
1 (8 oz.) can tomato sauce
1 (6 oz.) can tomato paste
2 (4 oz.) cans chopped green chilies
1 tsp. salt
1 (8 oz.) pkg. tortilla chips
3 c. shredded sharp cheddar cheese
Sour cream (optional)

Saute onion and garlic in butter. Add the meat and brown. Stir in the soup, tomato sauce, tomato paste, chilies and salt. Cook until mixture begins to boil; remove from heat. Place half the tortilla chips in bottom of a 13 x 9 x 2 inch baking dish. Pour meat mixture over chips; top with remaining chips and cheese. Bake at 375 degrees for 20 to 25 minutes. Serve with sour cream if desired. Yields 8 servings.