We found the top spots from Seattle to New York to keep the kid in you hopped up on sweets (with the rest of the neighborhood). Boxed supermarket desserts take on a grown-up twist with flavors like black sesame or passion fruit, as do the freshest of fruit pops, in two boutique shops in New York. For a more innocent indulgence, try sprinkle-scattered hummingbird cupcakes in Seattle or caramel apples dipped in cookie crumbs in Chicago.