Chewy, gooey, crispy, crunchy: No other course can match the sublime textures of dessert. Create them all at this Central Market cooking class featuring pastry chef and cookbook author Alice Medrich. The class will include chewy ginger cookies, gooey brownies, crispy, ultra-thin chocolate chunk cookies, crunchy holiday cornmeal biscotti and melt-in-your-mouth peanut butter clouds.