It was the world’s first soft-serve machine, and the velvety, soft ice cream it produced was a big hit. Fun fact: while all soft serve is ice cream, not all ice cream is soft serve. If you’re in the mood for a swirl, here are some of the best spots to grab vegan soft serve across the US. Ice Queen2 Ice QueenPortland, ORThe Oatly soft-serve-based Thiccflurries are a real showstopper at this Chicana-owned ice cream parlor in Portland. Mission Burger10 Mission BurgerAustin, TX and Atlanta, GAThe best follow-up to a juicy vegan burger is, without a doubt, creamy, silky vegan soft serve.