More videos from this episode Thick and Chewy Chocolate Chip Cookies After testing 40 variations, we discover how to make a thick, chewy gourmet shop cookie at home. Big Chewy Oatmeal-Raisin Cookies Why did it take six months to develop the right recipe for a chewy, thick, buttery oatmeal cookie? Well, it all started and ended with the back of the Quaker Oats box. . . . Big, Super-Nutty Peanut Butter Cookies The key to a peanutty cookie that is crisp on the edges and chewy in the center? Chunky commercial peanut butter and an extra hit of roasted, salted peanuts. Baking Soda 101 How does baking soda work and how should I use it? Dark Chocolate Chips Do Nestlé Toll House morsels still deserve to be the nation’s top-selling chips?