Potatoes Rancheros Casserole

• 1/2 lb lean ground beef
• 1 (5 ounce) box Betty Crocker au gratin potatoes
• 2 1/4 cups boiling water
• 2/3 cup milk
• 1 cup shredded taco-seasoned cheddar cheese (4 oz) or 1 cup cheddar cheese (4 oz)
• 1 cup coarsely crushed tortilla chips

1. Heat oven to 400u0b0F.
2. Cook beef in 10-inch skillet over medium heat 8 to 10 minutes, stirring occasionally, until brown; drain. Stir together Potatoes, Sauce Mix, boiling water and milk in ungreased 2-quart casserole. Stir in beef and 1/2 cup of the cheese.
3. Bake uncovered about 30 minutes or until top is light golden brown. Sprinkle chips over casserole; sprinkle remaining cheese over chips. Bake 3 to 5 minutes longer or until cheese is melted. Let stand 2 minutes before serving.
4. High Altitude (3500-6500 ft) Increase first bake time to about 35 minutes.

lean ground beef, gratin potatoes, boiling water, milk, taco, tortilla chips

Taken from www.food.com/recipe/potatoes-rancheros-casserole-323398 (may not work)