Mellow Mushroom Pizza Bakers has been serving up fresh, stone-baked pizzas to order in an eclectic, art-filled, and family-friendly environment. Each Mellow is locally owned and operated and provides a unique feel focused around great customer service and high-quality food.Mellow is a state of mind, a culture, a way of being. Our mission is to provide delicious food in a fun and creative environment. We are the originators of hand tossed, stone baked classic southern pizza. Our spring water crust is unique and flavorful, and all our pies are made with high quality, fresh ingredients. Our philosophy is to elevate the dining experience with a higher order of pizza. Mellow out… Established in 2019. Mellow Mushroom opened in Atlanta, Georgia in 1974 when two college students from Georgia Tech, later joined by a third from the University of Georgia, founded a business that reflected their eccentric philosophies. The first restaurant was opened on Spring Street in Atlanta.