Cheesy Taco Casserole

1 1/2 pounds ground beef
1 package Taco Seasoning Mix
1 can (15 ounces) tomato sauce
1 can (15 ounces) pinto beans, drained and rinsed
1 can (11 ounces) whole kernel corn, drained
1 cup shredded Cheddar cheese
1 cup crushed tortilla chips

Preheat oven to 400°F.  Cook meat in large skillet.  Drain fat and stir in seasoning mix, beans, tomato sauce and corn.  Simmer for 5 to 10 minutes.  Spoon into 2-quart baking dish.  Sprinkle with cheese and tortilla chips.

Bake 5 to 10 minutes or until cheese is melted.