Mardi Gras IHOP cancels National Pancake Day amid COVID-19, but will still give away free pancakes. How to sign up for an IOU. – USA TODAY February 16, 2021 bestsalesanddeals 0 Comments Freebies, Mardi Gras IHOP cancels National Pancake Day amid COVID-19, but will still give away free pancakes. How to sign up for an IOU. USA TODAY