Tater Tot Casserole

Ingredients (7)

• 3/4 to 1 pound ground beef or turkey
• 1 small onion, chopped
• Salt and pepper to taste
• 1 package (16 ounces) frozen Tater Tots
• 1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted
• 2/3 cup 2% milk or water
• 1 cup shredded cheddar cheese