Mellow Mushroom is proud to serve Lexington and Columbia with various locations with delicious pizza, hoagies, calzones and salads. Providing quality food since 1974, they use fresh ingredients on all menu items. Mellow Mushroom is more than just a pizza restaurant; it is where Columbia pizza lovers and beer lovers gather. Their menu and locations are as eclectic as their fans. Join the beer club, shop for Mellow shirts and see the unique artwork in each of our locations. The search for the best pizza in Columbia is over.