Ingredients

3/4 pound rhubarb (3 to 4 medium stalks), trimmed and coarsely chopped 

1/2 cup elderflower syrup, such as D'Arbo 

Preparation

Place rhubarb in the bowl of a food processor; process until smooth. Strain through a fine mesh sieve into a bowl, pressing down to remove as much juice as possible; you should have 1/2 cup plus 1 tablespoon juice. Discard solids. Stir in elderflower syrup.