Process, materiality, and a sense of playfulness often figure into the work of designers Chen Chen and Kai Williams. As does a love of food: When not making furniture or products, the Brooklyn-based duo are known to stage intricate food installations involving custom machinery, from an industrial Cheeto machine to a dry-ice cocktail fountain, and even a “satanic hot dog spit.” Here, they tell us how designing food and objects are more similar than we think.