Go to Souped-Up Suppers
Click on "Free Code Play"
Enter your code and email address in the box
Type your grocer name in the Grocer's Name Box (Note: Publix and Kroger did not come up for me)
Choose your store and click "Check Your Code" (you either win a cart full of groceries or the .50 coupon)
Fill out your info on the page and print your coupon.