How to Cube Potatoes

Potatoes are one of the most versatile and popular vegetables that you serve as a side at the dinner table. Many potato recipes call for cubing them, or cutting the vegetables into small, even squares. Whether you want to boil, saute, roast, or make a casserole with potatoes, cubing them allows them to cook evenly and quickly. While dicing potatoes into cubes takes a little patience, it's actually pretty easy to do -- as long as you have a nice sharp knife to get the job done. Once they're cubed, you can make tasty sautéed or roasted potatoes that complement any main course.

Ingredients

Sautéed Cubed Potatoes

2 pounds (1 kg) waxy potatoes, cut into cubes
4 to 6 tablespoons (60 to 90 ml) olive oil
4 cloves garlic, peeled and minced
Salt and pepper, to taste
3 tablespoons (11 g) chopped fresh flat-leaf parsley

Roasted Rosemary Cubed Potatoes

3 pounds (1.4 kg) waxy potatoes, cut into cubes
2 sprigs fresh rosemary
¼ cup (59 ml) olive oil
5 cloves garlic, minced
Salt and pepper, to taste

Method 1

Method 1 of 3:

Cubing the Potatoes

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1
Wash the potatoes. Potatoes grow underground, so they’re often dirty even if you purchase them from the grocery store. Use a vegetable brush to clean the outside of the potatoes and then rinse them under cold water to thoroughly wash them.^{[1]XResearch source}
- To keep the potatoes from getting soggy, it’s a good idea to rinse them in a colander under running water from the sink.
2
Peel the potatoes if desired. Depending on what dish you are using the cubed potatoes in, you may prefer to remove the skin from them before cutting. Use a vegetable peeler to carefully take off of the outer layer of skin from the potatoes and discard.^{[2]XResearch source}
- If you don’t plan to cut the potatoes right after peeling them, place them in a bowl or pot of cold water to keep them from browning.
- When you’re peeling the potatoes, remove any sprouts or green spots in the flesh with the end of your vegetable peeler.
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3
Cut the potato in half lengthwise. To begin cubing the potatoes, use a sharp knife to cut the potato in half vertically. Turn the potatoes over on your cutting board so the flat side is facing down.^{[3]XResearch source}
- A chef’s knife works well for cutting potatoes.
4
Slice both halves lengthwise. Once the potatoes have been cut in half, use your knife to chop each half into sections lengthwise. You can make the cuts as thick or as thin as you’d like, depending on how large you’d like your cubes to be.^{[4]XResearch source}
- After you’ve cut the halves into sections lengthwise, flatten each section on your cutting board to make them easier to slice in the next step.
When all of the potato pieces are laying flat on your cutting board, slice each into lengthwise pieces with your knife again. The finished pieces will resemble French fries.^{[5]XResearch source}
6
Create piles with the potato pieces and rotate them. After you’ve cut all of the potato pieces, create several equal-sized stacks with them. Turn each stack 90 degrees so they’re facing you horizontally.^{[6]XResearch source}
- If you prefer, you can cut each potato piece individually. However, you should keep in mind that it will take longer to dice them one at a time.
7
Dice the potatoes into cubes. When your potato pieces are stacked in front of your, use your knife to cut through them horizontally to create cubes. You can make the cubes as large or as small as you’d like, but keep the size uniform so they’ll cook evenly no matter how you prepare them.^{[7]XResearch source}
- Cubing your potatoes works well if you want to make mashed, sauteed, or roasted potatoes. You may also want to cube the potatoes if you’re making home fries.

Method 2

Method 2 of 3:

Preparing Sautéed Cubed Potatoes

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1
Bring a pot of water to a boil. Fill a large pot approximately half full with water. Sprinkle in some salt to taste, and heat the water over medium-high heat until it comes to a full boil, which should take about 5 to 10 minutes.^{[8]XResearch source}
- Salting the water is an optional step. You can skip if you’re trying to limit the sodium in the dish.
2
Cook the potatoes for several minutes. Once the water has a come to a boil, add 2 pounds (1 kg) of waxy potatoes that have been cubed to the pot. Let the potatoes cook in the boiling water for 4 to 5 minutes, or until they are slightly softened.^{[9]XResearch source}
- Some waxy potatoes to consider for the dish include Yukon gold, new, or red.
- Be careful not to cook the potatoes too long. You don’t want them to become so tender that they fall apart when you saute them.
When the potatoes are finished boiling, pour them into a colander. Shake the colander well to ensure that all of the excess moisture is removed. Next, let the potatoes sit in the colander for about 5 minutes to allow them to dry further and cool off.^{[10]XResearch source}
4
Heat the oil. While the potatoes are cooling, add 4 to 6 tablespoons (60 to 90 ml) of olive oil to a large nonstick skillet. Allow the oil to heat on medium until it begins to shimmer, which should take 5 to 7 minutes.^{[11]XResearch source}
- If you prefer, you can substitute butter for the olive oil.
5
Add the potatoes and saute them for a minute. Once the oil is hot enough, add the cubed potatoes to the skillet in a single layer. Let the potatoes cook over medium heat for about 1 minute, stirring them around so they cook evenly on all sides.^{[12]XResearch source}
- If your skillet isn’t very large, you may want to saute the potatoes in two or more batches. You don’t want them packed into the pan.
6
Mix the garlic into the pan and cook the mixture until the potatoes are golden. After the potatoes have sauteed for a minute, add 4 peeled and minced garlic cloves to the skillet. Stir the mixture well so the garlic is fully incorporated, and continue cooking the potatoes until they are golden brown on all sides, which should take approximately 4 to 6 minutes.^{[13]XResearch source}
- You can adjust the amount of garlic to suit your tastes. If you are a fan of garlic, mix in a little more. If you prefer a mild garlic flavor, add a little less.
When the potatoes are golden brown, add some kosher salt and freshly ground black pepper to the skillet to taste. Be sure to stir the potatoes well to ensure that they’re evenly seasoned.^{[14]XResearch source}
8
Lower the heat and cook for several more minutes. After you’ve seasoned the potatoes, reduce the heat to medium low. Let the potatoes cook for another 5 minutes, or until they are tender.^{[15]XResearch source}
- You can tell the potatoes are done when you can easily pierce them with a fork.
9
Transfer the potatoes to a serving platter and sprinkle with the parsley. When the potatoes are finished cooking, take the skillet off the stove. Carefully spoon the potatoes onto a serving platter, and dust the top with 3 tablespoons (11 g) of chopped fresh flat-leaf parsley. Serve the potatoes as a side with your favorite protein main course.^{[16]XResearch source}
- If you want to make the sauteed potatoes ahead of time, place them on a cookie sheet and keep them warm in an oven set to the lowest temperature.

Method 3

Method 3 of 3:

Whipping Up Roasted Rosemary Cubed Potatoes

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To ensure that the oven is hot enough to roast the potatoes, it’s important to preheat it. Set the temperature to 425°F (220°C) and allow it to fully heat.^{[17]XResearch source}
2
Bring the potatoes to a boil in salted water. Add 3 pounds (1.4 kg) of waxy potatoes that have been cubed to a large pot. Cover the potatoes with cold water and mix in some kosher salt to taste. Heat the potatoes over medium-high until they come to a boil, which should take approximately 7 to 10 minutes.^{[18]XResearch source}
- Yukon gold, red, and new potatoes are good options to use for this dish.
- If you prefer, you can omit the salt.
- The potatoes should only be slightly tender when you take them off the heat.
Once the water comes to a boil, immediately pour the potatoes into a colander to drain them. Allow the potatoes to sit in the colander for 2 to 3 minutes so the steam helps them dry out.^{[19]XResearch source}
4
Mash the rosemary leaves. For the roasted potatoes, you’ll need 2 sprigs of fresh rosemary. Pull the leaves off the stems, and use a mortar and pestle to bash them up slightly to release their flavor and aroma.^{[20]XResearch source}
- If you don’t have a mortar and pestle, you can use the back of a spoon to bash up the rosemary leaves.
5
Heat the oil in a roasting pan. Place a large roasting pan on your stove, and add ¼ cup (59 ml) of olive oil. Allow the oil to heat over medium high heat until it begins to shimmer, which should take 3 to 5 minutes.^{[21]XResearch source}
- You can substitute butter for the olive oil if you prefer.
6
Mix in the potatoes, rosemary, garlic, salt, and pepper. Once the oil is hot, remove the roasting pan from the heat. Stir in potatoes, rosemary leaves, 5 cloves of minced garlic, and salt and pepper to taste. Toss well until the potatoes are well coated with the mixture.^{[22]XResearch source}
- Feel free to add whatever other herbs or seasonings that you’d like. Thyme, oregano, parsley, dill, and/or crushed red pepper flakes are tasty options.
When the potatoes are coated with the oil mixture, place the roasting pan in the preheated oven. Allow the potatoes to cook for 30 to 35 minutes, or until they are golden and crispy.^{[23]XResearch source}
8
Serve the potatoes while still warm. When the potatoes are finished roasting, remove the pan from the oven. Transfer them to a serving bowl or platter, and serve them as a side while they’re still warm.^{[24]XResearch source}
- The roasted potatoes are an ideal side for roast chicken, pork tenderloin, or your favorite steak.

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Tips

You’ll have an easier time cubing the potatoes if your knife is sharp.
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Cubing potatoes takes more time than rough chopping them for mashed potatoes or other boiled dishes. However, your potatoes will cook more quickly and evenly if you cut them into small, equal-sized cubes.
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Warnings

When cutting or cubing potatoes, always take your time. It’s easy to cut your fingers when you’re working with a sharp knife.
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