Classes at the Boston Learning Society tend to fill up fast, especially when they feature talented chefs, like pastry chef Shane Gray of Mistral. Sign up soon for his class on Tuesday, June 17th by calling the Boston Learning Society directly at 800.432.5520. On the menu for the evening’s program is Pineapple Upside Down Cake with Coconut Sorbet. From start to finish learn the secrets to preparing and serving this summer dessert. Chef Gray will bring another specialty of Mistral for all to taste and recipes provided. The class costs $39 for non-members and $29 for members.