Saute meat in skillet. Add taco seasoning mix, tomato sauce, and water. Bring to a boil, reduce heat, and simmer uncovered 15 min. Add tortilla chips; mix, being careful not to break the chips. Pour into a 2-inch-deep by 8 inch round or square baking dish. Bake in 400 oven 10-15 minutes. Top with cheese.
