Adding two extra stacks of IHOP's buttermilk pancakes can add 330 calories, and six additional pancakes can add approximately 1,000 calories, not including syrup.

“It adds 330 calories for each additional two stacks. So, two pancakes is 330 calories. If you think you could add six pancakes, you're just cranking it up, guys. You're right there at, you know, basically 1,000 extra calories.”