Trattoria topping is a type of Italian cuisine that includes a variety of sauces and toppings. The three most popular trattoria toppings are Pesto (5 letters), ALFREDO (7 letters), and Aglioeolio (10 letters). Pesto is a sauce made from basil, garlic, olive oil, pine nuts, and Parmesan cheese. ALFREDO is a creamy white sauce made with butter, cream, and Parmesan cheese. Aglioeolio is an Italian sauce made with garlic, olive oil, parsley, and sometimes chili flakes.