Chewy Peanut Butter Snickerdoodles

Oh, the joys of the Test Kitchen. One time when we baked really good snickerdoodles, we decided they would be even better paired with a spoonful of peanut butter. So we pulled out the jar of PB and proved ourselves right. Next, Belle figured out how to incorporate the PB into the batter without compromising the integrity of the iconic snickerdoodle texture—a little extra baking soda did the trick. After a few rounds, she got here: a hybrid of a classic peanut butter cookie