Jamba Juice: $1 Steel-Cut Oatmeal December 7, 2009 This post may contain a link to an affiliate. See my disclosure policy for more information. Jamba juice has a tasty new coupon available! Click here to print a coupon to get a cup of steel-cut oatmeal for just $1! This coupon is valid through 12/11. Thanks, It’s Hip to Save!