Mexican Casserole
["1 1/2 lb. hamburger", "1/4 c. onion, chopped", "1 c. pinto beans, drained", "2 jars enchilada sauce", "1 c. grated Cheddar cheese", "2 1/3 c. crushed chips", "sour cream"]
["Brown meat and onion; drain.", "Mix all ingredients (only 1 1/3 cups crushed chips) together in a 9 x 13-inch pan.", "Top with sour cream, extra cheese and 1 cup remaining crushed chips.", "Cook at 350\u00b0 for 30 to 40 minutes."]
["hamburger", "onion", "pinto beans", "enchilada sauce", "Cheddar cheese", "crushed chips", "sour cream"]