Tater Tot Casserole

Tater Tot Casserole
1 lb ground beef
1/2 onion (optional)
10 1/2 ounces cream of mushroom soup (one can)
1 teaspoon salt
1 teaspoon pepper
1 lb tater tots (about half a bag of Ore-Ida Brand)
Pre-heat oven to 450. Brown the ground beef in a skillet until thoroughly cooked. Drain off excess grease. Transfer ground beef back into skillet and add the can of cream of mushroom soup, salt and pepper; stir until mixed evenly. Pour beef mixture into casserole dish and add tater tots to the top, spreading an even layer. Bake for 35 minutes.