The term 'alternative to burritos' can be summarized by the solution 'tacos, ' which is a five-letter word. Tacos are a traditional Mexican dish consisting of a corn or wheat tortilla filled with various ingredients, such as meat, cheese, vegetables, and salsa. They are often served with sides such as guacamole, sour cream, and refried beans. Tacos are a popular alternative to burritos, as they are smaller and easier to eat.