This cocktail includes a shrub from Warren Bobrow's great book: Bitters and Shrub Syrup Cocktails.

Listen to an interview with Author Warren Bobrow here.

Thousand Years Between Tangerine Cocktail

2oz Aged Dominican Rum
1 oz Silver Tequila
3/4 oz Tangerine Shrub, (or if not available, substitute 1/2 oz fresh Tangerine Juice & increase Agave Syrup to 3/4 oz)
3/4 oz Fresh Lime Juice
1/2 oz Agave Syrup
2 Dashes Orange Bitters
1 Dash Angostura Bitters
Shake. Serve over large ice cubes in a large old fashion glass.
Drink while listening to Led Zeppelin's Tangerine