- 3 fresh blackberries
- 1 1/2 fluid ounces spiced rum
- 1 fluid ounce sweet and sour mix
- ice cubes
- 1 splash ginger beer
- Place blackberries in a shaker; muddle. Pour rum and sweet and sour mix over muddled blackberries; fill the shaker with ice. Cover and shake until chilled. Pour into a glass and top with ginger beer.