How to Make the Ultimate Umami-Bomb Vegetarian Demi-Glace
1 cucumber, peeled and sliced
3 tablespoons sake
1 teaspoon liquid from a jar of pickled ginger
1/2 teaspoon fresh lime juice
Pinch each, salt and superfine sugar
In a blender or food processor, puree the cucumber with 2 tablespoons of water. Strain 3 tablespoons of the cucumber juice over ice in a shaker. Add the other ingredients and shake. Strain into a chilled cocktail glass.