Ronna (pronounced RAH-nah) Welsh is the owner and chef of Purple Kale Kitchenworks, a cooking school in Brooklyn. Her paradigm-shifting ideas have been covered in the New York Times, Bon Appe´tit, ...view moreRonna (pronounced RAH-nah) Welsh is the owner and chef of Purple Kale Kitchenworks, a cooking school in Brooklyn. Her paradigm-shifting ideas have been covered in the New York Times, Bon Appe´tit, and Tasting Table.view less