https://www.siliconvalley.com/2023/04/26/qa-the-king-of-cocktail-bitters-talks-foraging-ingredients-in-west-marin/

Lawrence Batterton is a medicinal herbalist by trade who a decade ago stumbled, quite successfully, into the bitters business.

“I started making cocktail bitters for holiday gifts. I’d play around with different recipes, like ‘Winter Blend’ or ‘Silk Road,’ type up my own labels and give them away to people like Christmas cookies.”