Mushroom Swiss Beef Croissan'wich®
Mornings are made better with a flame-grilled beef patty, fluffy eggs, delicious cheese and BK’s special mushroom sauce inside a buttery CROISSAN’WICH® bun.
The sandwich is always prepared exactly how you like it - with cheese or beefacon™, with extra onions or without tomatoes.
Your way to order the WHOPPER® sandwich is always the best way.