Filibuster is moreish robust cocktail at 1.9 standard drinks. Shaken with 60ml whisky rye and 15ml lemon juice with 15ml maple syrup as well as 15ml egg white including 100ml ice and best with lunch. Just add all ingredients to shaker, less bitters then dry shake well and add ice to shaker. Vigorously shake until bubbly and strain into glass and garnish with walnut bitters on top and served in a saucer glass cold.
