Recipes Home Recipes J.J.’s Shrub J.J.’s Shrub 06.05.18 In a Collins 12 oz glass, add: 1 oz Blackberry Shrub Mix 1 oz J.J. Pfister Organic Potato Vodka A dash bitters Fill glass with ice, float club soda, stir, lime slice, and enjoy through a paper straw. Share This Recipe