Mellow Mushroom is proud to serve Centennial with delicious pizza, hoagies, calzones and salads. Providing quality food since 1974, we use fresh ingredients on all our menu items. Mellow Mushroom is more than just a pizza restaurant; it is where Centennial pizza lovers and beer lovers gather. Our menu and locations are as eclectic as our fans. The search for the best pizza in Centennial is over.