Celtic Bull is pleasant tasting above average cocktail at 1 standard drinks. Shaken with 30ml whiskey irish jameson and 30ml tomato juice with 10ml worcestershire sauce as well as 30ml stock beef including 290ml ice and served for or with tiffins. Just fill glass with ice to chill then add ice to shaker and add all ingredients to shaker. Quick shake to mix and pour into glass over ice and served in a highball glass cold.