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Cooked sweet potatoes in a colander after boiling in water.
5 from 7 votes

How to Boil Sweet Potatoes

Learn How to Boil Sweet Potatoes that are whole or cubed, peeled or skins still on.  Boiling sweet potatoes is an easy and healthy way to cook them before adding to your favorite mashed sweet potatoes or casserole recipe.

Course Dinner, lunch, Side Dish
Cuisine American
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 6 servings
Calories 130.03 kcal


  • 2-4 lbs. sweet potatoes
  • Salt optional


  1. Bring a large pot of water with a pinch of salt to a rolling boil.*
  2. Peel potatoes with a potato peeler and cut your sweet potatoes into 1" or 2" chunks. You can also leave them whole and with the skin on, if you prefer.*

    Whole and peeled sweet potatoes and cubed sweet potatoes to show how long to boil sweet potatoes.
  3. Carefully add sweet potatoes to the boiling water.
    A pot of water full of orange potatoes showing how to boil sweet potatoes.
  4. Reduce heat to Medium-High and keep a slow boil throughout the duration of cooking.
  5. Boil sweet potatoes until they are cooked through:

    For 1" cubes - 12 to 15 minutes.

    For 2" cubes - 20-25 minutes.

    For whole potatoes - 30-50 minutes. (Depending on the size of the potato.)

  6. Drain sweet potatoes in a colander and use in your favorite Mashed Sweet Potatoes, Sweet Potato Pie, or Sweet Potato Casserole recipe.

    Cooked sweet potatoes in a colander after boiling in water.

Recipe Notes

  • Make sure you have enough water so the sweet potatoes are covered by at least 1 inch of water. It's best to err on the side of more water rather than not enough.
  • If leaving the skin on whole sweet potatoes, pierce the each sweet potato with a fork 7-8 times.
Nutrition Facts
How to Boil Sweet Potatoes
Amount Per Serving
Calories 130.03 Calories from Fat 1
% Daily Value*
Fat 0.07g0%
Saturated Fat 0.03g0%
Sodium 83.16mg4%
Potassium 509.54mg15%
Carbohydrates 30.42g10%
Fiber 4.54g19%
Sugar 6.32g7%
Protein 2.37g5%
Vitamin A 21450.39IU429%
Vitamin C 3.63mg4%
Calcium 45.36mg5%
Iron 0.92mg5%
* Percent Daily Values are based on a 2000 calorie diet.