Grapefruit Amaretto Sour

Ingredients

• Sugar

  • 1/4 cup (55 g) sugar
  • 1 grapefruit, zest finely grated
  • 1 lemon wedge

• Cocktail

  • Crushed ice
  • 1 1/2 oz (45 ml) amaretto-style almond liqueur
  • 1 1/2 oz (45 ml) grapefruit juice
  • 1/2 oz (15 ml) lemon juice
  • 1 thin grapefruit wedge