These Instant Pot Mashed Purple Sweet Potatoes are so vibrant and colorful, that you immediately feel like eating them. These are creamy, nutritious, and come together in under 50 minutes (vegetarian, gluten-free).
About Mashed Purple Sweet Potatoes
Give your regular sweet potato mash a vibrant and beautiful twist with these one-pot Instant pot mashed purple sweet potatoes. These are nutritious and comforting and make for an incredible side dish.
This purple sweet potato mash has a mild candy-sweet taste to it and is much sweeter than regular sweet potato mash. They have a very unique flavor, which will surely satiate your taste buds.
I have used my classic recipe to make Instant pot Garlic Mashed Potatoes and adapted it for purple sweet potatoes in place of regular potatoes. Purple sweet potatoes are drier than orange sweet potatoes so I increased the quantity of a few ingredients to make sure they turn out perfectly creamy.
Serve it as a side dish topped with some butter and crushed nuts on top. The beautiful deep purple color will surely make your meal look even better.
This dish is a great addition to the Thanksgiving table too.
This purple sweet potato recipe is gluten-free and can be easily doubled or tripled. I made this recipe in my 6-quart instant pot. If doubling or tripling the recipe, use an 8-quart instant pot. The time of cooking will remain the same.
Here are some more sweet potato recipes that you may like
- Chicken Sweet Potato Soup
- Sweet Potato Hummus
- Oven Roasted Sweet Potato Wedges
- Thai Sweet Potato Curry
- Instant Pot Sweet Potatoes
Purple Sweet Potato Health Benefits
Purple sweet potatoes are surely appealing to look at, but along with that vibrant purple color they are also loaded with many nutrients.
They are very low in fat and carbohydrates and rich in Vitamin A, Vitamin C, and fiber. Due to rich fiber content and less fat, they are great to include in your weight loss diet, as they will keep you full for longer.
This root vegetable is rich in antioxidants, making them great for your skin, eyes, and overall health.
They are also a great source of calcium and potassium.
Purple Sweet Potatoes – You can select any variety of purple sweet potatoes you can find. They basically come in 3 varieties – Okinawan, Molokai, and Stokes.
The most commonly found purple sweet potato would be stokes or Japanese purple sweet potatoes, which are dense, a little dry, and less sweet than the other varieties.
You can either find them in Asian supermarkets, farmers’ markets, or organic vegetable sections of large grocery stores like whole foods and Trader joes.
The best time to find them is September through April.
Olive Oil – Go for good quality extra virgin olive oil for the best taste.
Butter, Sour Cream, and Cream Cheese – The addition of these 3 ingredients make the sweet potato mash rich and creamy. You can use unsalted butter or salted butter, it’s totally up to you.
Garlic – Fresh garlic makes everything taste even better. You can add garlic powder if fresh garlic is not available.
To make the flavor even more complex, replace fresh garlic with roasted garlic.
You can also add some heavy cream to make the purple potato mash richer and creamier.
Add little lemon juice, lime juice, or vinegar if you like them tangy.
How To Make Mashed Purple Sweet Potatoes
Wash 2 pounds (1 kg) of purple sweet potatoes well and peel them using a vegetable peeler.
Note – You can leave the purple skin on if you like the earthy flavor, but if you like them creamy, then peel the skin.
Cut the purple sweet potatoes into ½-inch cubes. Make sure the cubes are equal in size for even cooking. You can also slice the sweet potatoes into ½-inch thick round slices.
Tip – Keep the sweet potato cubes soaked in water until ready to use otherwise they will become black in color due to oxidation. I prefer to peel and cube them just before cooking.
Peel 4-5 garlic cloves and gather the remaining ingredients.
It’s better if the butter, cream cheese, and sour cream are at room temperature for easy mixing.
Cook The Purple Sweet Potatoes
Add the sweet potato cubes to a 6-quart instant pot along with 4-6 whole peeled garlic cloves, 1 teaspoon salt, and ¾ cup water.
Tip – You can replace water with vegetable or chicken stock for added flavor.
Put the lid on the instant pot and close it well.
Set the valve to the sealing position. Press PRESSURE COOK and set the timer to 12 minutes at high pressure.
The instant pot will take some time (approx 10-12 minutes) to build the pressure and start the timer.
Once the timer goes off, let the pressure release naturally for 10 minutes. Release the remaining pressure by moving the valve to the venting position. Use a spoon or a kitchen towel to move the valve to avoid steam burn.
Once the pressure is released, open the lid.
Mash the Purple Sweet Potatoes
Mash the sweet potatoes using a potato masher or an electric hand mixer. There is no need to drain the water.
Add 3 tablespoon extra virgin olive oil, 3 tablespoon butter, ½ cup sour cream, and ¼ cup cream cheese to the pot and mash until the potatoes are smooth and creamy and everything is mixed well.
Check for salt and add more if required.
Transfer the purple mashed potatoes to the serving bowl. Top with a dollop of butter and serve hot.
Tip – If you are making these for a get-together, then press the KEEP WARM setting of the instant pot and let the mashed potatoes be there for up to 3-4 hours. This way you can make them beforehand, but they will be ready to serve when the dinner is served.
Frequently Asked Questions
To make this recipe in a traditional pressure cooker, cook the purple sweet potato cubes with garlic, salt, and ½ cup of water in a cooker for 4 whistles on high heat. Remove the cooker from heat and let the pressure release naturally. Then add the remaining ingredients and mash until desired consistency has been achieved.
Place the cubed purple sweet potatoes in a large pot along with garlic and salt and cover them with water.
Place the pot over high heat and bring it to a boil. Reduce the heat to medium flame and boil the potatoes until fork-tender, 20 to 25 minutes.
Drain the potatoes and place them back into the pot. Then add the remaining ingredients and mash until desired consistency has been achieved. Add a little water if the mashed potatoes are thick.
To make vegan purple potato mash, skip adding dairy butter, sour cream, and cream cheese. Replace them with vegan butter and coconut milk.
This purple sweet potato mash serves as a great side dish with grilled chicken, fish, grilled or sautéed veggies, or any curry and rice combination.
You can top them with some butter and crushed nuts. You can also top this stunning side dish with some coconut oil and finish off with flaky sea salt.
To make a sweeter version, drizzle some maple syrup on top and sprinkle crushed pecans. This version is perfect for Thanksgiving or holiday meals.
These mashed purple potatoes taste best when served warm, right out of the instant pot.
But if you have leftovers, then store them in an airtight container in the refrigerator for 3-4 days.
Add some milk before storing them as they will thicken once refrigerated. Add some more milk before re-heating if they have still gotten thick and dry.
You can also freeze these for up to 4 months in a freezer-safe container or zip-lock bags. Thaw, reheat, and serve.
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Instant Pot Mashed Purple Sweet Potatoes Recipe
- 2 pounds purple sweet potatoes (1 kg, peeled and cubed)
- 4-6 cloves garlic (peeled)
- 1 teaspoon salt
- ¾ cup water (or vegetable broth or chicken broth)
- 3 tablespoons extra virgin olive oil
- 3 tablespoons butter (salted or unsalted, at room temperature)
- ½ cup sour cream (at room temperature)
- ¼ cup cream cheese (ar room temperature)
Cook The Purple Sweet Potatoes
- Add the purple sweet potato cubes to the instant pot along with garlic cloves, salt, and water.
- Put the lid on the instant pot and close it well.
- Set the valve to the sealing position. Press PRESSURE COOK and set the timer for 12 minutes on high pressure.
- The instant pot will take some time (approx 10-12 minutes) to build the pressure and start the timer.
- Once the timer goes off, let the pressure release naturally for 10 minutes. Release the remaining pressure by moving the valve to the venting position. Use a spoon or a kitchen towel to move the valve to avoid steam burn.
- Once the pressure is released, open the lid.
Mash the Purple Sweet Potatoes
- Mash the sweet potatoes using a potato masher or a hand blender. There is no need to drain the water.
- Add extra virgin olive oil, butter, sour cream, and cream cheese to the pot and mash until the potatoes are smooth and creamy and everything is mixed well. Check for salt and add more if required.
- Transfer the mashed sweet potatoes to the serving bowl. Top with a dollop of butter and serve hot.