The McDonald's Chicken Big Mac is a limited-time offering that replaces the original beef patties with two tempura-battered chicken patties. It includes the classic Big Mac ingredients: special sauce, lettuce, cheese, and pickles, all served on a sesame seed bun with a middle bun. It has been released in various countries and tested in the US before its nationwide limited-time rollout in October 2024. Ingredients and features Patties: Two tempura-battered chicken patties, using the same breading as the McNuggets, but in a round, flatter shape. Sauce: McDonald's Special Sauce. Vegetables: Lettuce and pickles. Cheese: One slice of American cheese. Bun: Sesame seed bun with a third, middle bun. Availability and taste The Chicken Big Mac was introduced as a limited-time offer in the United States in October 2024. It has been available in other countries like Australia and Canada. Some reviewers noted it tasted similar to large, flat chicken nuggets. Others felt the special sauce didn't complement the chicken as well as it does the beef, and some reported issues with inconsistent build or dryness