Eastern Sour is freshening average cocktail at 1 standard drinks. Shaken with 30ml bourbon berkshire and 30ml orange juice with 20ml lime juice as well as 10ml orgeat syrup crawleys including 10ml orange syrup also 190ml ice and best with morning tea snacks. Just pack ice into glass then add all ingredients to shaker and dry shake without ice. Pour into glass over ice and garnish with lime and served in a highball glass cold.