"Ginger beer (which contains no alcohol) adds a sweet kick to the tart blackberries. It?s readily available in supermarkets...."
INGREDIENTS
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6 fresh basil leaves, plus a sprig for garnish
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11 blackberries, divided
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1 tablespoon fresh lemon juice
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Ice cubes
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1/4 cup ginger beer, chilled
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2 tablespoons bourbon (optional)