If rhubarb is in season, then buy some stalks and enjoy this treat.

Ingredients:

1 lime, cut into pieces
10 mint leaves
4 oz bacardi rum
2 oz Cointreau or triple sec
2 oz rhubarb syrup
1 long, thin slice of rhubarb stalk

Muddle the lime and mint in cocktail shaker. Add ice, the liquors, and rhubarb syrup.
Shake and then strain into ice-filled rocks glasses. Garnish with lime wedge and rhubarb stalk.

Rhubarb Syrup (for Rhubarb Mojito)

6 cups chopped rhubarb stalks (2 pounds)
1 1/2 cups sugar
1 cup water

In a saucepan, combine the rhubarb, sugar, and water and bring to boil.
Simmer for 15 minutes, stirring occasionally. Strain the syrup and refrigerate in air-tight container for up to 1 week. Makes 20 ounces of syrup.