Meatballs: Mix all ingredients, shape into 1-1/2 inch meatballs. Place in Dutch oven and bake at 400 until done and light brown, 20 to 25 min. Spaghetti: Prepare spaghetti according to package instructions. Mix all ingredients except meatballs, break up tomatoes. Heat to boiling, reduce heat. Cover and simmer, stirring occasionally, 30 min. Stir meatballs onto mixture, Cover and simmer stirring occasionally, 30 min longer. Serve over spaghetti and if desired, with grated Parmesan cheese.