Spirits & Spice Irish Whiskey Sour

1 oz Teeling Stout Cask

1 oz Spirits & Spice Sweet Irish Maid
1 oz pineapple juice
1 oz orange juice
¾ oz lemon juice
½ oz Orgeat

Combine all ingredients in a mixing glass and fill with ice. Shake vigorously until cold, then strain into a double old fashioned glass filled with ice cubes. Garnish with a slice of orange.