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How much is a Sliced, Cubed, or Mashed Sweet Potato?

Many recipes will call for "1 cup of cubed sweet potatoes" or "1 cup of sliced sweet potatoes" or even "1 cup of mashed sweet potatoes" but it is not always easy to determine actually how many sweet potatoes are in a cup. In order to help make cooking easier we did some experiments to help tell you exactly how many sweet potatoes you need to buy.

To answer How many sweet potatoes in a cup we went to the grocery store to check out the produce section. After surveying the vegetable selection we discovered that 1 pound of sweet potatoes is equal to 2 large or 3 medium sweet potatoes. We decided to use a medium sweet potato for our measurements.

We found that it took 1.25 medium sweet potatoes to obtain 1 cup of sliced potato. When cubing, we needed 1.3 sweet potatoes to reach the 1 cup mark. However, when measuring for 1 cup of mashed, 2 whole sweet potatoes did the trick.

Today sweet potato fries are very popular in more trendy restaurants. When preparing sweet potato fries at home, it took 1.3 potatoes to result in about 1 cup.

Even though they are often confused, did you know that sweet potatoes and yams are not the same thing? They aren't even distantly related! Sweet potatoes originated from the tropical Americas and are part of the morning glory family; whereas yams, which are native to Africa and Asia, are related to lilies and grasses.

Next time your recipe calls for a cup of mashed, sliced or diced sweet potatoes you'll know how much you'll need to purchase at the store to cover it. You can also use our conversion tool below for any custom how many sweet potatoes in a..." measurements you need. If you are peeling a lot of potatoes by hand you should definitely look into getting a good vegetable peeler to greatly speed up the process. I feel comfortable recommending the OXO Good Grips Swivel Peeler since I use it all the time at home!

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Custom Conversions for Sweet Potato

One Sweet Potato Equals

  • There is Generous ½ Cup (148 mls) of Cooked & Mashed Sweet Potato in a Sweet Potato
  • There is ⅔ Cup (158 mls) of Cubed Sweet Potato in a Sweet Potato
  • There is ¾ Cup (177 mls) of Sliced Sweet Potato in a Sweet Potato
I need:


You need 1.6 Sweet Potatos

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What Is a Sweet Potato

The sweet potato (also known as sweetpotato) is a climbing plant that belongs to the morning glory family which yields large tuberous roots that are edible.

Sweet potatoes are often confused with yams. All yams are native to Africa and Asia and are rarely found in the United States. Yams belong to the plant family of flowering vines, which includes lilies.

Sweet Potatoes are commonly found in the grocery store. They have orange flesh and smooth skin and are closer related to the carrot than the potato.

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Is a Sweet Potato a Fruit or Vegetable?

A sweet potato is a vegetable. More specifically, a sweet potato is a starchy root vegetable.

What Are the Types of Sweet Potatoes?

There are over 400 types of sweet potatoes grown all over the world. That is a lot of sweet potatoes!

The 2 most common types of sweet potato grown in the United States is the orange sweet potato and the White sweet potato.

What Does a Sweet Potato Look and Taste Like?

Sweet potatoes have a mildly sweet and starchy flavor when cooked. When baked, roasted, or fried at high temperatures, the skin becomes crispy. If oil or butter is added to the skin, it will caramelize as the inside becomes tender.

Beauregard and jewels are 2 of the commonly known and classic sweet potatoes with their orange skin and a bright orange flesh.

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What Is a Sweet Potato Good For and Used In?

Sweet potatoes are incredibly delicious when cooked and eaten by themselves.

Similar to a baked white potato, sweet potatoes can also be french fried or baked with butter and sour cream and herbs.

Fried sweet potatoes are also delicious with honey or maple syrup, unlike the common white potato. Heat will give the sweet potato their telltale sweetness.

Sweet potatoes are a good source of fiber, vitamins and antioxidants.

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What are Good Substitutes for Sweet Potatoes?

Since sweet potatoes are different from the common white potato, if you have access to sweet potatoes such as Japanese sweet potatoes, use them.

Otherwise, Yukon gold potatoes or white potatoes combined with cooked carrots or beets will add both sweetness and color to a dish, similar to what a sweet potato will bring.

Can I Feed Sweet Potatoes to My Dog, Cat, or Other Pet?

Dogs can happily eat cooked sweet potatoes. However it is best not to feed your pup a raw sweet potato, as it can upset a dog’s stomach or potentially cause intestinal blockage. Sweet potatoes have a wide range of health benefits for a dog but be sure to feed them in moderation!

Similar to a dog, a cat can eat cooked sweet potatoes. Be sure to keep them from ingesting the raw potato.

Does a Sweet Potato Give You Gas?

Sweet potatoes have mannitol and fermentation can cause gas in your gut, making you feel bloated if you have mannitol sensitivities.

How to Store Sweet Potatoes

Before you open up your refrigerator's crisper to store your sweet potatoes, stop! Storing them in the fridge will give it an unpleasant taste and hard center.

Instead, it is best to store sweet potatoes in a cool, dry space such as a basement, root cellar or a dark pantry closet.

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How Long Does Fresh Sweet Potatoes Last at Room temperature?

Generally speaking, sweet potatoes will last for 1-2 weeks stored on your counter at room temperature.

If you are storing your sweet potatoes in a cool, dry space, sweet potatoes can last about 1 month and sometimes longer.

How to Store Cut Fresh Sweet Potatoes

It is best to store cut sweet potatoes in a container or bag with an airtight lid in the refrigerator.

How to Store Sweet Potatoes in the Refrigerator

It is best to store your cut sweet potatoes in crisper in your refrigerator where temperature is controlled and where it is exposed to less air.

One way to ensure they will last longer is to store them in cold water with an airtight container in the refrigerator's crisper.

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Can You Freeze Sweet Potatoes and if so How?

Absolutely! The best way to freeze sweet potatoes is to first blanch them before freezing, since sweet potatoes have high water content.

To blanch the sweet potatoes prior to freezing, boil water and add the sweet potatoes, boiling them for 1 hour or more until tender. After letting them cool, wrap the potatoes in aluminum foil or parchment paper and place in an airtight freezer bag and place in the freezer.

How to Cut Sweet Potatoes

There are many ways to cut a sweet potato, all you have to do is to think of the ways that a common white potato can be prepared and viola! The sweet potato will do the same, such as slice, chop, cube, dice, and mince.

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How to Clean Sweet Potatoes

It’s easy to clean a sweet potato! All it takes is a little scrubbing under running water using your fingers, a sponge, dishcloth or a potato scrub brush.

Can I Eat the Skin of Sweet Potatoes or Should I Peel It First?

The skins of sweet potatoes are completely edible and some people say it is the tastiest (and healthiest!) part of the sweet potato.

For most recipes, the skin of the potato will be removed by a vegetable peeler or small knife.

Some people will save the peelings and cook them in a skillet and make delicious and crispy hash browns.

How to Slice Sweet Potatoes

All it takes is a vegetable knife and a firm hand to slice a sweet potato.

If you need to slice a lot of sweet potatoes, a mandoline slicer will make quick work of it.

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How to Chop or Cube Sweet Potatoes

Chopping or cubing sweet potatoes is just a matter of taking a good vegetable knife and cutting it into uneven chunks.

How to Dice or Mince Sweet Potatoes

Dicing sweet potatoes is similar to chopping sweet potatoes, the only difference is that dicing involves more uniformed sizes and mincing is dicing into even smaller uniformed sizes.

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How to Zest Sweet Potatoes

It is not recommended to zest sweet potatoes.

How to Mash or Puree Sweet Potatoes

Mashed sweet potatoes are both a delicacy and should be an every day side dish!

The easiest way to mash sweet potatoes is to bring a pot of water to boil and add chopped sweet potatoes and let it cook until a knife easily slips in the flesh. Drain your sweet potatoes and mash using a potato masher, a ricer, or an immersion blender with butter and seasonings.

Pureeing sweet potatoes is similar to mashing. After draining, instead of mashing, place them in a blender with some of the reserved liquid and puree until smooth.

How to Grate or Shred Sweet Potatoes

Grating or shredding sweet potatoes by hand is simple with a box grater. Some people will opt for an easier route by using a grater attachment on their food processor.

Many people will opt to leave the skins on before grating, however that is more of a personal preference.

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How to Make Sweet Potato Juice

While sweet potato juice isn’t the most popular juiced vegetables, you actually can juice them! They are full of nutrients and have a healthy dose of beta carotene.

It is best to use a juicer for juicing raw sweet potatoes.

Does a Sweet Potato Have Seeds and Can I Eat Them? How do I Remove the Seeds?

A sweet potato does not have seeds.

Can I Eat Sweet Potato Greens?

Yes! Sweet potato greens are not only edible, they are delicious! They can be prepared like spinach or turnip greens.

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How to Store Sweet Potato

General How to Store Sweet Potato Info

There are many varieties of sweet potatoes; some of the more common ones are: Beauregard, Covington, Jersey, Jewell, Kotobuki (Japanese), and Okinawan (purple), Goldrush, Georgia Red, Centennial, O'Henry, and Evangeline.

Short Term Sweet Potato Storage

Do not store raw sweet potatoes in the refrigerator.

Keep unwashed sweet potatoes in a cool, dry location away from light to prolong shelf life; these are a good item to store in your pantry. They will keep for about 2 weeks.

Cooked whole or pureed sweet potatoes keep 1 week in the refrigerator.

Sweet Potato Long Term Storage

If you store sweet potatoes a cooler location, about 55°F (12.8°C), they will maintain their freshness for a month.

Cooked, mashed sweet potatoes freeze well.

Sweet Potato Side Notes

Many people think a sweet potato and yam are the same vegetable; technically they are different. Sweet potatoes are members of the morning glory family, and originate from South America; they are a moister and sweeter vegetable than the yam. Yams are a member of the yam family (closely related to lilies) and originate from West Africa and Asia. Yams are drier and starchier than sweet potatoes.

Sweet Potato Recipes

Sous Vide Sweet Potato Pie Jar Recipe

Sous Vide Sweet Potato Pie Jar Recipe image If you want to get into the spirit of Thanksgiving and have pie, but don't want to make a traditional one, these little babies are for you! Single serving sous vide sweet potato pie is a great finish to your Thanksgiving dinner and will leave everyone happy.

Southwestern Sous Vide Sweet Potato Salad Recipe

Southwestern Sous Vide Sweet Potato Salad Recipe image The sweetness of sous vide sweet potatoes is perfectly offset by the spices and poblano pepper in this recipe, resulting in a complex mix of flavors that is a great addition to many meals. You can serve this alongside almost any protein, but chicken and turkey are my go-to options with it. I also will take this when we do potluck dinners with friends since it travels well.

Sous Vide Sweet Potatoes

Sous Vide Sweet Potatoes image Sweet potatoes are a classic holiday dinner staple. Using sous vide helps you ensure they are perfectly cooked and come out tender with loads of flavor. This recipe candies the sweet potatoes for even more flavor.

Spicy Sous Vide Sweet Potato Salad Recipe

Spicy Sous Vide Sweet Potato Salad Recipe image Sweet potatoes are a favorite food around my house and I'm always looking at ways to incorporate them into more dishes. To make them more convenient I often sous vide sweet potatoes. Here I take sous vide sweet potatoes cubes and combine them in a salad with beans and corn. The chipotle adds a nice burn to the usually super sweet potatoes and helps turn this into a savory salad.

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What is the Produce Converter?

One of the biggest hassles when cooking and working in the kitchen is when a recipe calls for "the juice of 1 lime" or a similar measurement. Often times when cooking people use bottled juices, pre-sliced vegetables and other convenient cooking time savers. Produce Converter will help you convert the "juice of 1 lime" and other similar recipe instructions into tablespoons, cups and other concrete measurements.

Produce Converter can also be used to figure out how many vegetables to buy when you need, for instance, "A cup of diced onion." You can use our easy conversion tool to figure out exactly how many onions you need to buy at the store in order to end up with the amount you need for your cooking.

We hope you enjoy Produce Converter and if you have any suggestions for how we can improve it and make your cooking easier please let us know.

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