One-Two Punch
Stir, strain into a pilsner glass over ice, top with pilsner, garnish with a grapefruit half wheel and a pinch of La Boíte Borneo N. 26 Spice Mix.
Citrus oleo-saccharum: zest 3 lemons and 3 grapefruits and place into a bowl with 12 oz sugar and let stand for 1 hour. Add 12 oz boiling water, stir, fine strain, and cool.