Burger King One Day Offer – Free Mushroom Swiss XL Burger!
Calling all Mushroom Swiss lovers: a BK Wow Deal is coming your way on Tuesday 7 May 2013. For one day only, get yourself a FREE Mushroom Swiss XL with a large Coke purchase.
Valid at all outlets from 11am onwards except Burger King Changi Airport, Burger King Singapore Expo and Burger King Singapore Polytechnic.