Fourth of July weekend is the unofficial midway point of summer, so there's no better time to try a new ice cream flavor. These homemade varieties—based in Ohio, Texas, New York and Pennsylvania—are the favorites of Katy Perry and Sarah Jessica Parker and can be shipped to your doorstep, so no travel required! Serve these gourmet flavors for an ice cream sundae no child (or adult!) will be able to resist. Click through the gallery to see them all.