Because you need balls on your spaghetti. This recipe is based on the recipe on Krafts parm cheese. Ingredients: 1 pound ground beef1/3 cup Kraft grated parmesan cheese1 tablespoon parsley flakes1 egg1 clove garlic, minced1 tsp oregano Directions: Preheat oven to 375° F.Mix all ingredients; shape into meatballs.Place on foil-covered rimmed baking sheet.Bake 25 minutes or until done. (160°F)