Charred Cherry Whiskey Lemonade

Bahan-bahan (1 porsi)

• 1/4 cup charred cherries (see note), stemmed, pitted, and halved, plus additional cherries to garnish
• 1 ounce simple syrup
• 2 ounces whiskey
• 3 ounces fresh lemon juice
• Club soda, to top, optional
• Mint leaves, to garnish
• Ice, to serve