Restaurants Walnut Creek World Famous Hotboys Opens in Downtown Walnut Creek March 24, 2022 11:30 am 1394 N. Main St, Walnut Creek Oakland-based World Famous Hotboys has opened where Mel’s Diner used to be in downtown Walnut Creek. Check out their menu here. Thanks to a reader for sending word about this. Previous Post Brioche de Paris Patisserie Coming Soon to Downtown Walnut Creek Next Post Häagen-Dazs Reopens at Broadway Plaza in Walnut Creek