Friday Night Cocktails: Blackberry Collins by Anonymous Aug. 24, 2012 5:30 p.m. × rr 1 ounce ginr 1 ounce Blackberry liqueurr 1 ounce lemon juicer 1 teaspoon simple syrupr Soda waterrrCombine the gin, liqueur, lemon juice, and simple syrup in a cocktail shake with ice. Shake and strain into a cocktail glass. Top off with soda water, if necessary. Back to Search Results