Pilaf is a dish that is popular in many cultures and is made by cooking RICE with other ingredients. The main ingredient of pilaf is RICE, which is a four-letter word in this crossword puzzle. RICE is a grain that is used in many dishes around the world and is a staple food for many cultures. It is often cooked with vegetables, herbs, and spices to create flavorful dishes. RICE is also used as an ingredient in pilaf, which is a dish that is cooked with broth or stock and often includes vegetables, nuts, and spices.