Portobello Mushroom Swiss

Burger King Singapore is offering a value-packed 5-in-1 Combo Meal for just $8.90, featuring a choice of burger, two sides, and a drink — including the limited-time Portobello Mushroom Swiss. Available at selected outlets from 6 August 2025 onward.

Burger King Singapore is giving away mystery plushies when you spend $20 on a Portobello Mushroom Swiss meal at selected outlets from 9–15 June 2025. A fun interactive promotion perfect for families and burger fans alike.