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Thai Fried Sweet Potato Balls

Thai Fried Sweet Potato Balls (Khanom Kai Nok Krata)

Chef Lyn
Crispy on the outside and chewy inside, these Thai fried sweet potato balls — Khanom Kai Nok Krata — are a beloved street snack made with mashed sweet potatoes, tapioca flour, and coconut milk.
5 from 1 vote
Prep Time 30 minutes
Cook Time 35 minutes
Total Time 1 hour 5 minutes
Course Appetizer
Cuisine Thai
Servings 6 servings

Ingredients
 
 

For the Orange Sweet Potato Balls:

  • 300 g orange sweet potato
  • 200 g tapioca flour
  • 120 g sugar
  • 1 ½ tsp salt
  • 80 g coconut milk
  • 2 l cooking oil for deep frying

Purple Sweet Potato Balls:

  • 300 g purple sweet potato
  • 200 g tapioca flour
  • 120 g sugar
  • 1 ½ tsp salt
  • 80 g coconut milk
  • 2 l cooking oil for deep frying

Instructions
 

  • Wash, peel, and cut the sweet potatoes into medium pieces. Steam until fully cooked, then mash while still hot until smooth.
  • Transfer the mashed sweet potato to a mixing bowl. Add the tapioca flour, sugar, and salt. Mix until crumbly.
  • Gradually add coconut milk and knead (or mix) until the dough is smooth and uniform. Test by rolling a small ball — it should hold its shape without being too dry or sticky.
  • Roll the dough into small bite-sized balls and set aside.
  • Heat oil in a deep pan over medium heat. Once hot (but not too hot- around 160–170°C / 320–340°F), gently add the balls without stirring at first.
  • When the surface begins to set, gently stir to prevent sticking. Use a strainer or spatula to gently press the balls, helping them puff up, become hollow inside, and turn crisp.
    Thai Fried Sweet Potato Balls
  • Fry until golden brown and evenly crisp. Remove and drain on paper towels before serving.

Notes

Thai Fried Sweet Potato Balls (Khanom Kai Nok Krata)
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