Over the next 6 weeks head to your local GBK armed with your 2 burgers for £10* voucher and feast on burgers whilst helping raise £10,000. GBK will donate 20p from each vouchers used to Help a Capital Child our partnered charity. Simply download your voucher below, print and present it when ordering. If that's not enough of a temptation, we've also teamed up with radio station Capital FM to offer you the chance of winning a beefy trip to New York. Visit www.capitalfm.com/gbk, register for your voucher & enter into the competition.