Houston’s dessert scene knows how to keep things cool when the temperatures climb. From small-batch gelato to legendary pies and plant-based pastries, there’s something for every kind of sweet tooth in this city. If you’re looking for a spot to grab a summer treat, here’s a guide to some of the best places in town. SweetCup Gelato Tucked away in the Montrose District, SweetCup is known for its ever-rotating lineup of small-batch gelato and sorbet. Founded in 2012, the shop has dreamed up more than 600 flavors over the years, blending Italian tradition with bold, local touches. Expect everything from classic chocolate to inventive tarragon sorbet, all made with fresh,…