There's been a lot of interest in vegan and eggless mayos, but not a lot of innovation," said Scott. But aquafaba, slowly making waves through the vegan community, hadn't been tapped into by makers of mayonnaise, and Sir Kensington's was inspired by the simple, bizarre magic of watching chickpea water whip up into a steady, fairly stable, egg-white-looking foam—and by the opportunity to create a new product from a material that would otherwise be wasted. They began their experimenting.