Method
- Pour vanilla syrup into a shot glass.
- Layer green apple liqueur, lemon juice, and vanilla vodka using a cocktail spoon.
- Garnish with an apple slice and ground cinnamon.
- Drink the shot and finish with the apple.
About the Back To the Future
A layered sour shot with vanilla vodka and green apple liqueur. It has a sweet, tart, and spicy character.