coupon good for 20% off your entire check. It's a PDF. The coupon expires July 28.
Details behind the coupon:
To show our appreciation to our ketchup-loving subscribers, we want to help you kick back and let Denny’s do the cooking. Whether you use the rich taste of Heinz® Ketchup to compliment your hash browns, french fries, burger or other classic diner fare, use this coupon for 20% off your entire check at Denny’s. America’s diner is always open.™