These days she uses activated charcoal to make black, tracking down butterfly pea flowers to mix a true blue, and fine-tuning her purple with beets and blueberries. “You can make any shade in the world,” she says, as long as you have some idea of what to do. She tints her orange with harissa, her yellow with turmeric. Green comes from chard or spinach. Besides the color, she uses nothing but flour and fresh eggs from her “ladies,” the chickens she keeps in her ex-urban home outside Seattle (where she also has goats, dogs, and the occasional, less-welcome snake).