Very Berry Whiskey Sour

0.75oz YCC Blackberry Pomegranate Mixer
2oz Whiskey
0.75oz Fresh Lime Juice
1 Egg White (optional)
2 Dashes Chocolate Bitters (optional)

Reverse-dry shake method (With Egg White):
Combine all ingredients in a cocktail shaker with ice. Shake until chilled, about 10 seconds. Remove ice, and shake again for 10-20 seconds. Double-strain into a chilled coupe and enjoy!

Without Egg White:
Combine all ingredients in a cocktail shaker with ice. Shake until chilled, about 10 seconds. Strain into a chilled coupe and enjoy!