Classic Lipton Onion Soup Meatloaf 2 eggs (beaten)1 packet dry onion soup mix ((could be Lipton brand))3/4 cup water1/3 cup ketchup (more for topping, if desired)1 1/2 cups breadcrumbs (plain, dry)2 pounds lean ground beef Gather the ingredients.Preheat the oven to 350 F.In a large bowl,...