It’s National Grilled Cheese Day! Kraft Canada is celebrating by releasing a coupon for $1 off the purchase of Kraft Singles. This is a printable coupon, available through webSaver and Kraft What’s Cooking. You must log in to your account, or register if you do not have an account, and visit the coupon page. From there you can print a coupon for $1 off any variety of Kraft Singles in the 500g format. There is a limit of one coupon per account.