Milk Bar offers weekend classes at their Williamsburg, Brooklyn shop and I had the opportunity to go last year. I have made some of their cakes at home, but it was a real treat to make them at Milk Bar. Actually, it is more like assemble, because they pre-bake the cake and the crumbles and pre-made the frosting. It was still fun, because the instructors were great, very helpful, friendly, and full of Milk Bar trivia. After assembling the cake, we also made cake truffles. Finally, after the class our instructor took a few super-fans on a tour of the Milk Bar bakery. So fun! Classes are $95 as of 2016, and you get a cake and truffles to take home.
Link to Milk Bar class schedule here.
Link to Milk Bar cookbook here.