Hands On: 10 minutes Total: 1 hour 30 minutes Preheat oven to 400F. Combine ground beef, half the seasoned tomato sauce, the eggs, oats, salt and pepper in large bowl; mix until well blended. Place in 9- x 5-inch loaf pan, pressing down to evenly distribute meat mixture. Bake, uncovered, 1 hour. Remove from oven and drain well. Pour remaining seasoned tomato sauce over meatloaf. Bake an additional 10 minutes. Remove from oven. Allow to rest 10 minutes before slicing into 8 slices to serve.