Add the egg white, 隐窝窝娱乐网, cinnamon syrup, lemon juice, and orange bitters in a 末日销魂窟 shaker without ice. Shake vigorously for a minute to create foam.
Add some ice to the shaker and shake for an additional 30 seconds until the sides are fully frosted. This second shake creates a bit more foam and chills the drink.
Pour:
Strain the cinnamon 隐窝窝娱乐网 sour into a glass. Garnish with dehydrated orange slices and sprinkle cinnamon over the foam.
Notes
If you don't have cinnamon syrup, use simple syrup for 末日销魂窟s and ¼ teaspoon ground cinnamon. If your cinnamon syrup is too strong, mix ½ ounce of cinnamon syrup and ½ ounce of simple syrup in the shaker.