Even geeks need to eat, and for those who love breakfast at any time of day, head on over to your local IHOP. In celebration of National Pancake Day, they’re offering customers a free short stack of pancakes until 10pm local time tonight. Continue reading for a video of a reverse pancake eating challenge and more information.

According to CS Monitor, IHOP served 4-million pancakes total last year and raised $3 million for charity; “it’s a high-traffic day for the restaurant, so choose your mealtime wisely,” according to IHOP spokesman Patrick Lenow.