The Black Widow Smash

Bahan-bahan (1 porsi)

• 8 fresh blackberries, plus more for topping
• 1 -2 teaspoons fresh rosemary, plus a sprig for serving
• Juice from half of a lemon
• 1 -2 tablespoons honey
• 1 1/2 - 2 ounces tequila or Mezcal
• a couple dashes of orange bitters
• sparkling water, for topping