The traditional way to serve a whiskey sour is to mix in an egg white. It adds a pleasant texture and softens the drink a bit. With or without the egg white, make sure you skip the sweet and sour mix. It’s simple to make your own with fresh ingredients:
2 oz. Whiskey
.75 oz. Fresh-squeezed Lemon Juice
.75 oz. Simple Syrup
1 Egg White
Mix in shaker with ice and transfer to rocks glass. Garnish with a lemon wedge.