The Texas Cook-Off Dish is Chili, a spicy stew-like dish made with meat, tomatoes, and chili peppers. It is a popular dish in the southwestern United States, especially in Texas, and is often served with rice, beans, and tortillas. Chili has been around since the early 19th century, and is believed to have originated in Mexico. It is a staple of Texan cuisine, and is often served at cook-offs throughout the state.