Cha Suma is tasteful medium cocktail at 1.1 standard drinks. Stirred with 30ml tea liqueur zen green and 10ml bitters angostura with 20ml butter as well as 90ml tea black and best at tea time. Just pour tea liqueur to mixing glass then add butter to mixing glass and add pinch of salt. Pour in tea and mix well and pour into warm glass and served in a old fashioned glass warm.