Aperol Sour Recipe Posted on February 5, 2019February 5, 2007 by admin Ingredients 1 3/4 oz Aperol orange liqueur3/4 oz lemon juice1/4 oz sugar syrup1 dash orange bitters Shake well over ice in a shaker. Strain into a sour glass, and serve. Spread the love Related posts: Orange Rush Recipe Original Zombie Recipe Green Milkshake Recipe Grim Reaper Recipe