1&1/2 pounds lean ground beef
1 cup chopped onions
1 cup corn
1 can { 14.5 ounce } diced tomatoes in juice, drained
1 package dry onion soup mix
non ~ stick cooking spray
1&1/2 cups shredded cheddar cheese
1/2 cup ketchup
1 egg
4 cups frozen potatoes tots
Directions

Preheat oven to 450°. Spray 8 x 8 ~ inch baking dish with cooking spray; set aside. Brown meat and onions in a large skillet over medium ~ high heat; drain off fat. Stir in corn, tomatoes and the dry soup mix. Reduce heat to low; cook 5 minutes, stirring occasionally. Remove from heat. Stir in cheese; set aside.
  Beat ketchup and egg together in small bowl with wire whisk until well blended. Add to meat mixture; mix well. Spoon into prepared dish. Top with potato tots; press lightly into meat mixture.
Bake 25 to 30 minutes, or until potato tater totes are lightly browned and meat mixture is heated through. Serves 4.