A Seasonal Pie War Heats Up in Cincinnati: Two Cincinnati restaurants claim to have the city’s best pumpkin pie—and they’re willing to go to great lengths to prove it. Family-owned Busken Bakery and regional restaurant group Frisch’s Big Boy are in the midst of a prank war that has escalated to include cheeky but good-natured billboards, social media, stunts, and live-action high jinks.