National Pancake Day Returns To Benefit Children’s Miracle Network Hospitals. Instead of paying for a short stack of buttermilk pancakes today, guests are invited to make a donation to the Children's Miracle Network Hospitals. Donations made at the Flagstaff IHOP will benefit the Phoenix Children's Hospital. WHAT: For the seventh consecutive year, IHOP restaurants nationwide will offer each guest a free short stack of its famous buttermilk pancakes on National Pancake Day in an … [Read more...] about IHOP Offering 15 Hours of Free Flapjacks Today