Charley's Steak House in Orlando is serving a plant-based steak by Chunk Foods. Chunk FoodsPlant-based foods have hit fast-food chain menus like KFC, Pizza Hut, and Chipotle over the years.A Florida steakhouse chain is joining the fray by selling a $69 plant-based steak by Chunk Foods.But sales for plant-based meat substitutes have slowed down.