How do I add a referral code or redeem gift card? Siobhan Taylor May 27, 2020 21:26 Updated Simply enter your discount code (this could be a unique gift voucher code or referral code) into the 'voucher code' box on the final page at the checkout. Once your voucher has been applied and payment details confirmed, just hit 'Place Order' to set up your account and get cooking! Related articles Refer a friend Gift vouchers for friends and family Refer a friend How to know if I have credit or discount on my account? Am I tied into a subscription? Comments 0 comments Please sign in to leave a comment.