The Best American Restaurants in Union, Illinois

Clasen's Tavern is a historic neighborhood spot, known as the oldest tavern in McHenry County, with tin ceilings, a polished wooden bar, and nostalgic photos that give it plenty of character. The menu features classic American bar fare, including burgers, sandwiches, pizza, and appetizers, with notedly crisp onion rings. Friendly, attentive service and the option of outdoor seating contribute to its easygoing, welcoming atmosphere.