Andy’s Frozen Custard in O’Fallon, Missouri, at 2892 State Highway K, is a popular restaurant stop for dessert lovers exploring the mother road, planning a road trip, or searching for Route66-inspired eats nearby. Known for its rich frozen custard, signature concretes, sundaes, and seasonal treats, this O’Fallon location offers a fun and family-friendly experience with classic American charm. Whether you are grabbing a quick sweet treat after dinner or making it part of your Missouri restaurant itinerary, Andy’s Frozen Custard delivers fresh flavors and a memorable stop along the way.
