Drambuie Coffee Tonic is restoring average cocktail at 1 standard drinks. Stirred with 30ml whisky liqueur drambuie and 25ml tonic water with 5ml tonic syrup as well as 40ml coffee brew including 190ml ice and good to have with brunch. Just make coffee and chill then add ice to mixing glass and add ingredients to mixing glass. Mix well and pour all into glass and add more ice to glass and served in a highball glass cold.