How to Roast Chestnuts (2024)

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How to Roast Chestnuts (1)

Roasted chestnuts are one of life’s most simple and enjoyable seasonal foods. I know we romanticize the song about roasting them over an open fire, but even if it’s just straight from the oven, chestnuts are absolute magic.

I had my first chestnut from a cone in Rome, where it was quite literally roasted over an open fire by a food cart near the Spanish Steps. I had no idea what chestnuts tasted like, but they smelled AMAZING and I impulse bought a bag immediately.

The chestnuts were starchy, soft, slightly sweet and nutty, almost like a starchier, firmer sweet potato and after my first taste, I was hooked. When I came home I immediately taught myself how to roast chestnuts in the oven, how to find a good chestnut and how to make them into something special. I’ll share it all in the post below. 🙂

Table of contents

  • What are chestnuts?
  • How can I tell if a chestnut is good or rotten?
  • How do you prepare chestnuts to roast in the oven?
  • How long to roast chestnuts in the oven?
  • How to eat roasted chestnuts
How to Roast Chestnuts (2)

What are chestnuts?

Chestnuts are formally part of the nut family, but I like to think of them as the nutritional equivalent of brown rice or sweet potato. They have less fat and more starch than most nuts and are almost impossible to eat raw.

Chestnuts are most commonly found in Northern regions due to climate and growing conditions, which is why you find them popularized in Europe and southeastern Asia. Each region has a different way of preparing chestnuts, but they all play off of the nut’s subtle sweetness.

And of course, chestnuts are only really available in November and December, which is why you see such a craze for them around the holidays!

How to Roast Chestnuts (3)

How can I tell if a chestnut is good or rotten?

Unfortunately, grocery stores have no shame in selling old or rotted chestnuts. It’s really difficult to decipher between the two, so it’s largely up to the consumer to make sure you get the good ones!

The best way to tell if a chestnut is good is by squeezing the nut. If you can make any sort of indent with your finger, or if the skin feels soft, that chestnut has slightly molded. If the chestnut rattles, it is most definitely bad and not good for roasting.

A good chestnut has a rich brown color, is slightly shiny on the outside and is firm to the touch. Those are the ones you want!

How do you prepare chestnuts to roast in the oven?

I like to do two things when preparing chestnuts:

  1. Make a slit across the top called a “clamshell cut.” This is the easiest way to cut and peel a chestnut, so although many blogs tell you to make a criss-cross on the top, I suggest swapping for the clamshell cut!
  2. Soak them in water for 15 minutes up to an hour before roasting. This helps the nut separate from the shell and makes peeling even easier after roasting.

How long to roast chestnuts in the oven?

The short answer to this is 15-20 minutes at 400°F!

The beauty of chestnuts is you don’t need to prepare them or toss them in anything before baking. Just look for the shells to pop open and expand, that means the chestnuts are soft and ready for eating!

How to Roast Chestnuts (4)

How to eat roasted chestnuts

The beauty of chestnuts is how diverse they are. I suggest serving them in either a sweet or savory way. You can treat them like roasted potatoes and toss them in salads, with roasted vegetables, or in stews! You can also use them on their own to make a soup, dip or appetizer. I have a pretty great maple bourbon chestnut recipe that I’ll be sharing later this week!

And that’s everything for these Roasted Chestnuts!

If you make it, please tag me on Pinterest or Instagram so I can see! It’s my favorite thing to scroll through stories and see what you all are making.

And of course feel free to leave any questions, comments or reviews! This is the best place to reach me, and I’d love to hear from you <3

How to Roast Chestnuts (5)

Oven Roasted Chestnuts

If you are looking for how to roast chestnuts in the oven, this recipe is the easiest and most simple way to get the best result. This recipe is wholesome, simple and perfect for the holiday season.

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Prep Time:45 minutes mins

Cook Time:20 minutes mins

Total Time:1 hour hr 5 minutes mins

Course: Appetizer, Snack

Cuisine: American, Italian

Keyword: chestnuts

Servings: 4 servings

Ingredients

  • 1 pound chestnuts
  • 2 quarts water

Instructions

  • Cut a slit around each chestnut, so that only the bottom is intact. You want the chestnut to look like a closed clamshell, so cut around the top as if you are turning the chestnut into a clam.

  • Add all the chestnuts to a large bowl of cool water and let them sit for 15 minutes to an hour. Dry them off before adding to a baking sheet.

  • While the chestnuts are soaking, preheat an oven to 400°F.

  • Add the chestnuts to a baking sheet and bake for 15-20 minutes, or until all the chestnuts have popped open and you can see the interior.

  • Let the chestnuts cool on a dishtowel for 15-20 minutes before cracking open and serving!

How to Roast Chestnuts (2024)

FAQs

What is the best temperature to roast chestnuts at? ›

How long do you roast chestnuts and at what temperature? I recommend roasting chestnuts for about 25-35 minutes at 425 degrees F. You can tell that they are done when the outer shells burst open revealing the golden flesh on the inside.

How do you prepare chestnuts for cooking? ›

To prepare: Cut a small slit in the skin. Roast in a preheated oven for 10 minutes at 200°C, gas mark 6, or drop into boiling water and simmer for 10 minutes, then peel. Work in small batches because the chestnuts can only be peeled when hot.

Why do you soak chestnuts before roasting? ›

Soak them in water for 15 minutes up to an hour before roasting. This helps the nut separate from the shell and makes peeling even easier after roasting.

How do you roast chestnuts in the oven, Martha Stewart? ›

Heat oven to 400 degrees. Using a sharp paring knife or a chestnut knife, score each chestnut; either make an "x" on one side of nut, or make one long slit crosswise. Place chestnuts in a single layer on a baking pan, and bake until flesh is tender and golden, about 25 minutes. Remove from oven.

Why are my chestnuts hard after roasting? ›

If you over-cook OR under-cook them, they will get hard and the inner skin will be very difficult to remove. Now comes the hard part: peeling them! You need to peel them while they are still warm. Let them cool just enough so that you can touch them, then start peeling.

Why are my chestnuts exploding in the oven? ›

Using a sharp paring knife or chef's knife, make an X-shaped cut on the round side of 1/2 pound fresh unpeeled chestnuts. This critical step keeps them from exploding from internal pressure when heated and makes peeling easier after roasting.

Is it better to roast or boil chestnuts? ›

Oven-roasting chestnuts is the best way to bring out the fullest flavour (if you want to eat them straight away or chop them into your stuffing mix). Boiling them will give a smooth texture for cooking in soups or purées.

How can you tell when roasted chestnuts are done? ›

Place them in a single layer on a baking sheet with the flat side down and slit side facing up. Roast chestnuts for 30-35 minutes or until you see that the skins have pulled back and the nut inside has softened.

Where do you cut chestnuts for roasting? ›

Hold the chestnut carefully and, using a sharp knife, cut a long slit or a cross in the top. Make sure you cut through the shell but not the nut inside. The shell is tough and flexible like a skin rather than rock hard like other nut shells, so a small kitchen knife works well.

How long to roast chestnuts at 350 degrees? ›

Bake at 350°F until the edges of the chestnut shells really curl up, 25 to 30 minutes. Remove the baking sheet from the oven and working one parcel at a time, peel off the shell and the skin at the X. (A paring knife sometimes makes this job easier).

Are chestnuts good for you? ›

Chestnuts remain a good source of antioxidants, even after cooking. They're rich in gallic acid and ellagic acid—two antioxidants that increase in concentration when cooked. Antioxidants and minerals like magnesium and potassium help reduce your risk of cardiovascular issues, such as heart disease or stroke.

Do chestnuts need to be washed before cooking? ›

Preparing Chestnuts

Begin by rinsing the chestnuts thoroughly with cool water. Afterward, it's essential to score the chestnuts to prevent them from bursting during the cooking process. For effective scoring and better control, we recommend using a specialized chestnut knife.

Why are my chestnuts still hard after roasting? ›

If you over-cook OR under-cook them, they will get hard and the inner skin will be very difficult to remove. Now comes the hard part: peeling them! You need to peel them while they are still warm. Let them cool just enough so that you can touch them, then start peeling.

Can you overcook chestnut? ›

Don't overcook

One of the common mistakes is overcooking the chestnuts. Chestnuts cannot be cooked for over 20 minutes otherwise you risk them losing a lot of moisture. Small chestnuts, will only take about 10 minutes to cook, larger ones will only take about 15 minutes.

Are roasted chestnuts supposed to be soft or crunchy? ›

Chestnuts are crunchy and bitter when raw, but become sweet, buttery, and soft when roasted. Some people find the flavor reminiscent of a cooked sweet potato.

How long can you keep chestnuts before roasting? ›

Chestnuts are perishable but can usually be stored easily for several months in your home refrigerator. We keep chestnuts refrigerated at about approximately 30 degrees Fahrenheit (they freeze at 25-26F) in our walk-in cooler as this reduces the risk of mold developing.

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