Van Leeuwen Ice Cream usually draws customers with gourmet takes on classics like vanilla and pistachio. “Sour Patch Oreos sound interesting, but nobody wants to risk buying Oreos that don’t taste good, so people buy both,” Zwanka said. Van Leeuwen’s Kraft Macaroni and Cheese ice cream came out to rave reviews in 2021 and was re-released for a short time …