Zero Sum Door County

Zero Sum Door County is a gluten-free, organic breakfast and lunch restaurant located at 10578 Country Walk Drive in Sister Bay, Wisconsin. The cafe specializes in made-from-scratch offerings including S’Good Life waffles and muffins, fresh fruit smoothies and juices, and locally roasted Isely coffee, all prepared with organic and gluten-free ingredients. Operating with a philosophy of healthy food, healthy environment, and healthy practices, Zero Sum serves the Door County community as a casual dining destination open Thursday through Sunday.