A proper boil-up piles fish, boiled eggs, cassava, and plantain onto one plate and drenches all of it in the same tangy tomato-onion sauce, so nothing is served separately.
Fish or pig tail is boiled together with eggs, cassava, plantain, and yam, then topped with a tomato, onion, and sweet pepper sauce. Belize City vendors and Sunday cooks serve it heaped on a single plate.