Happy Days is scrumptious very strong cocktail at 2.3 standard drinks. Stirred with 45ml gin dry kensington and 30ml lillet with 15ml van der hum as well as 10ml bitters peach including 10ml lemon juice also 100ml ice and best with buffet style food. Just place ice into mixing glass then add ingredients to mixing glass and stir ingredients together until mixed. Strain into glass and served in a martini glass cold.