From their charming logo (a childlike sketch of a friendly witch) to their colorful décor, it's all about whimsy at this popular Chelsea Market bakery. Their addictive and mouthwatering sweets include brownies, blondies, cookies and more. First-timers should go for the house specialty, the original brownie, which includes walnuts, cappuccino chocolate chips and caramel. Shirts, cookbooks, gift baskets and memorabilia are also available at fatwitch.com.