tatertot casserole recipe

Ingredients: 1 pound ground beef or ground turkey 1 small onion, finely chopped 1 can (10.5 ounces) condensed cream of mushroom soup 1/2 cup milk 1 cup frozen mixed vegetables (peas, carrots, corn, green beans) 1 teaspoon garlic powder 1 teaspoon onion powder Salt and freshly ground black pepper to taste 1 bag (32 ounces) frozen tater tots 2 cups shredded cheddar cheese