Step 1

Wash and peel the purple sweetpotatoes. 

Step 2

Cut the sweetpotato into evenly sized cubes, and place them in a pot, covering them with cold water. 

Step 3

Bring the water to a boil, then simmer for 25–30 minutes until very soft.

Step 4

Drain, reserving a small amount of the cooking water. 

Step 5

Transfer the cooked sweetpotatoes to a blender.

Step 6

Blend until completely smooth, adding a little reserved water if needed for a smooth consistency. 

Step 7

Whisk the sweetpotato purée with cold water until smooth and drinkable. 

Step 8

Add the lemon juice, hot sauce, salt, and pepper. 

Step 9

Stir in the vodka if using. 

Step 10

Pour over ice and garnish with a celery stick.

Step 11

You can also use Tajin spice mix to decorate your glass or sprinkle on top of your drink!