Feel Douro is finger licking light cocktail at 0.4 standard drinks. Stirred with 30ml port wine tawny grant burge and 10ml tang grapefruit with 60ml water as well as 190ml ice and good to have with brunch. Just add ice to glass then pour all ingredients into mixing glass and dry stir well in the absence of ice. Fine strain into glass over ice and served in a highball glass cold.