The best way to shake up your summer? Add a Tito's twist. Tito's Sour 2 oz Tito's Handmade Vodka 1 oz fresh lime juice 1 oz simple syrup 1 egg white 1 dash of bitters Add all ingredients to a shaker and dry shake for 10 seconds. Add ice and shake again for 5 seconds, or until the shaker becomes cold. Strain into a martini glass. Top with a dash of bitters.