Hey-o, Plano! The Plano Shake Shack is located at 7401 Windrose Avenue in the mixed-use Legacy West development. In addition to Shack classics, the Plano Shack is spinnin’ a selection of local frozen custard concretes including the Pie Oh My, which features vanilla custard and a slice of Emporium Pies seasonal pie. Even sweeter? Five percent of sales from the Pie Oh My concrete support the Children’s Medical Center Dallas.