 And you know, believe it or not, he's maintained his weight for decades. Just the other day, I was offered a small cookie, which I accepted and scarfed down. It was so good that I ate another. It was then that I looked at the calories contained in the cookies. To my amazement, and I had to read this twice, each cookie contained 100 calories. That means in two cookies that took me 30 seconds to eat, I consumed 200 calories.