The main ingredient in traditional paella is rice, specifically a short-grain variety known as "Bomba" or "Senia." Paella is a celebrated dish from the Valencia region of Spain, and the rice is cooked in a wide, shallow pan with various ingredients, which can include seafood, chicken, rabbit, vegetables, and saffron for flavor and color. The preparation method involves toasting the rice with the other ingredients before adding broth, allowing it to absorb the rich flavors of the dish. This communal style of cooking has made paella a cherished meal in Spanish culture, often shared among family and friends.