Blackberry mojito. Ingredients: 12 blackberries 12 large mint leaves 4 tsp. sugar 1 Tbsp. fresh lemon juice 1 Tbsp. fresh lime juice 1/2 cup seltzer water 1/4 cup vodka or rum 6 to 8 ice cubes InstructionsMuddle blackberries, mint leaves, sugar, lemon juice and lime juice in a tall glass until berries are mostly crushed.