Matityahu Sour is piquant watered down cocktail at 0.2 standard drinks. Shaken with 60ml wine kosher and 30ml etrog juice with 10ml etrog syrup as well as 100ml ice and good with afternoon tea. Just place ice into shaker then add all ingredients to shaker and shake well. Strain into glass and garnish with etrog peel twist and served in a saucer glass cold.