Pour bourbon and shrub into tin and shake. Pour into copper mug filled with ice. Top with ginger beer and cranberry shrub or bitters. Garnish with rosemary sprig.

*Apple Shrub: 2 shredded apples, 1 cup of sugar, 1 cup of apple cider vinegar. Mix well and store for a week in cool, dry place; shaking daily. At the end of the week, strain.