Butterscotch Chocolate Chip Cookies

We were craving some cookies so I started looking on the web for some recipe ideas. I found this recipe from Martha Stewart and decided to give it a try. I was concerned when I finished making the batter because it seemed very thin to me, but I went ahead and put the dough on the cookie sheet and popped them in the oven. When I pulled my baking sheet out of the oven it was ONE large square cookie