Italian meatballs, also known as polpettes, are typically made with a mixture of ground meats such as beef, pork, and veal. They often contain breadcrumbs or soaked bread to keep them moist and tender. They are simmered in tomato sauce!u003cbr /u003eu003cbr /u003eIn Italy, meatballs are never served with spaghetti - it's an American thing! They are usually served on their own, often with a dollop of ricotta. Sicilian meatballs usually include raisins (or currants) and pine nuts in the mixture for added sweetness and texture.u003cbr /u003eu003cbr /u003eOther meatball variations, such as Swedish or Greek, have their own unique ingredients and cooking methods. It's all about personal preference and cultural traditions!