Savory Tater Tot Casserole Ingredients Ingredient Checklist 1 ½ pounds lean ground beef ½ onion, chopped 4 cups frozen mixed vegetables 1 (19 ounce) can cream of chicken soup 1 (32 ounce) package frozen potato rounds Directions Instructions Checklist Step 1 Preheat oven to 375 degrees F (190 degrees C). Spray 9×13 glass baking dish with cooking spray. Step 2 Spread hamburger into bottom of pan, covering entire bottom, gently tamping beef down. Sprinkle with diced onions. Layer frozen veggies as next layer. Cover with the soup, straight from the can, carefully spreading with spatula to cover entirely. Step 3 Layer tater tots on top, covering entire top with tots. Bake at 375 degrees F (190 degrees) for 1 hour, or until hamburger is done. Check after 30 minutes; if tots are getting too brown, turn down to 350 degrees F (190 degrees C). Nutrition Facts Per Serving: 573.4 calories; protein 24.2g 48% DV; carbohydrates 47.9g 15% DV; fat 35g 54% DV; cholesterol 76.7mg 26% DV; sodium 940.2mg 38% DV.