Blackberry Old Fashioned March 19, 2016 in Whiskey Cocktail BLACKBERRY OLD FASHIONED INGREDIENTS 2 ounces Bourbon Whiskey 1 sugar cup (or 1 tsp. table sugar) 5 blackberries Angostura Bitters INSTRUCTIONS 1. In a mixing glass, muddle berries with sugar and 2 dashes of Angostura Bitters. 2. Add Bourbon. 3. Stir with ice. 4. Strain into an old fashioned glass with large ice.