How to Freeze Peppers

As an Amazon Associate we earn from qualifying purchases.

How to freeze peppers depends mostly on whether the peppers are sweet or hot. Sweet and bell peppers can go into the freezer raw or after a short blanch, and the choice shapes the texture you get later. The sources give hot peppers no blanching step. The Kansas State University bulletin, the National Center for Home Food Preservation and a Colorado State University fact sheet agree on the basic method. They differ on blanching times, and this guide sets out both figures.

Quick answer

Sweet or bell peppers can be frozen without blanching. Blanching halves for 3 minutes, or strips and rings for 2 minutes, gives firmer pieces for cooking.
Hot peppers skip the blanch. Wash and stem them, package them raw, seal, and freeze.
Wear plastic or rubber gloves when you handle hot peppers, and keep your hands away from your eyes.
Freeze at 0°F or lower, and use the packages within the storage times the sources list.

Choose and prepare the peppers

Start with firm peppers, with no soft spots and no insect or disease damage. The Kansas State bulletin lists firm yellow, green or red peppers, including chilis, jalapenos and pimientos, and it says soft or diseased peppers should not be used. The NCHFP bell pepper page asks for crisp, tender pods in green or bright red.

For sweet peppers, wash the fruit, cut out the stems, cut the peppers in half and remove the seeds. The NCHFP page then allows cutting the halves into strips, rings or dice, depending on how you plan to use them. The Kansas State bulletin also removes the white membrane inside the pepper. The bulletin’s question-and-answer section says capsaicin, the compound behind the heat, is found mainly in the white membranes.

Plan the batch by weight and count. The Kansas State bulletin says three peppers, or about two-thirds of a pound, yield one pint frozen. Those figures let a cook estimate how many containers a harvest will fill before the work starts. If you are still planning which crops to grow, the guides on vegetables to grow in raised beds and the easiest vegetables to grow in raised beds cover the growing side of the season.

Blanch or freeze raw

For sweet peppers, the choice depends on how you will cook them. The Kansas State bulletin allows freezing without blanching. If you blanch, its water-blanch times are 3 minutes for halves and 2 minutes for strips or rings, followed by cooling, draining, packaging, sealing and freezing. The NCHFP bell pepper page and the NCHFP blanching-times table give the same figures. The NCHFP general blanching page adds a check on the water: it should return to a boil within a minute, or the pot holds too much food for its water. Start counting when the boil returns.

The NCHFP page frames the two routes by use. Blanched peppers are best for cooked dishes. Unblanched peppers, packed raw, suit uncooked foods because they keep a crisper texture, and they also work in cooked foods. A cook who plans to add peppers to salads or garnishes should therefore lean toward the unblanched route.

The Colorado State University fact sheet 9.330, which is hosted as a PDF on a University of California site, gives longer times. It says to water blanch halves for 4 minutes and slices for 3 minutes, and it suggests freezing without blanching for salads and garnishes. This guide uses the 3-minute and 2-minute figures that the NCHFP and Kansas State pages share. It sets the 4-minute and 3-minute figures out as the alternative the fact sheet gives, and it does not claim that either set suits every batch.

After blanching, cool the peppers quickly, drain them, and package them. The NCHFP page says to cool promptly and drain before packing. The Colorado State fact sheet describes a dry pack with headspace for blanched peppers. For unblanched peppers, it describes a tray or dry pack without headspace.

Hot peppers

Hot peppers skip the blanch. The NCHFP hot pepper page says to wash and stem them, package them with no headspace, seal the package and freeze. The Kansas State bulletin gives the same steps and says to package hot peppers raw. The Colorado State fact sheet says to wash and stem them, then dry pack or tray pack them in small containers without headspace.

Protect your hands. The Kansas State bulletin says to wear plastic or rubber gloves to prevent burning, and to keep your fingers away from your eyes. Its question-and-answer section explains that hot peppers contain capsaicin, which can burn the skin. It advises washing your hands thoroughly with soap and water before you touch your face after handling them.

Roast and freeze pimientos

The bulletin gives pimientos a method of their own. The Kansas State bulletin says to choose firm, crisp pimientos of a deep red color. It says to roast them in an oven at 400 to 450°F for 6 to 8 minutes, or until the skins rub off. Rinse off the charred skin, cut out the stems and remove the seeds. Then package them with headspace, seal and freeze.

Roasting is the step that removes the skin. The bulletin’s method differs from the blanch steps for sweet peppers, so a cook should follow the roasting method for pimientos rather than the blanch times above.

Pack, headspace and label

Packaging matters for both kinds of pepper, and the sources disagree on headspace. The NCHFP headspace table lists a half inch of dry-pack headspace for fruit or vegetables packed without added liquid. The NCHFP bell pepper page asks for no headspace on unblanched peppers, and the hot pepper page asks for none on hot peppers. A cook who follows the general table will leave space where the pepper pages say to leave none.

The NCHFP containers page advises against freezing fruits and vegetables in containers larger than one-half gallon, because bigger containers freeze too slowly to give a satisfactory product. The NCHFP freezing pointers page says to freeze food as soon as it is packed and sealed. It also says to leave space between packages so air can circulate, then stack them close together once frozen.

Label each package with the name of the product, the date and the form of the food. The NCHFP storage page asks for these details, along with any added ingredients and the number of servings. A label that says only peppers will not say whether the bag holds halves, strips or whole hot peppers.

Keep the freezer working for you

The Kansas State bulletin gives a load figure for a home freezer. It says manuals usually recommend 2 to 3 pounds of food for each cubic foot of freezer space. The NCHFP page makes the same point as a time window: add only as much food as will freeze within 24 hours.

The NCHFP freezer management page gives three habits. Keep an inventory posted near the freezer, with the foods and freezing dates listed and checked off as you use them. Arrange the packages so the oldest are used first. Keep the freezer at 0°F or lower, and use a freezer thermometer to check the temperature often, since foods lose quality much faster at higher temperatures. The same page suggests organizing frozen foods into food groups, so packages are easy to find.

Storage time

The NCHFP storage table gives 8 to 12 months at 0°F for fruits and vegetables. The Colorado State fact sheet says most vegetables keep high quality for 12 to 18 months at 0°F. The two figures overlap. The NCHFP page says to use the shorter time for the best quality, and that food stays safe past the listed time but loses quality. The Colorado State page adds that longer storage does not make food unfit for use, though it may reduce quality.

Using frozen peppers

The NCHFP thawing page says most frozen vegetables should be cooked without thawing first. For cooking, it recommends bringing a small amount of water to a boil, placing the frozen vegetables in the water, covering the pan and bringing the water back to a boil quickly. It advises using as little water as possible, because some nutrients dissolve into the water.

The NCHFP foods that do not freeze well page lists green pepper among seasonings that tend to get strong and bitter in the freezer. Its advice is to season lightly before freezing and add more seasoning when reheating or serving.

Blanched sweet peppers are best for cooked dishes, according to the NCHFP and Kansas State pages. Unblanched sweet peppers suit cooked or uncooked foods, and the Kansas State bulletin says frozen peppers work well in cooked dishes. The sources give no raw-use guidance for frozen hot peppers, so this guide does not suggest one.

Common mistakes

Freezing soft or diseased peppers. The Kansas State bulletin says these should not be used.
Handling hot peppers without gloves. The Kansas State bulletin warns about burning and eye contact.
Leaving headspace in hot pepper packages. The NCHFP hot pepper page says to package them with no headspace.
Packing into containers larger than one-half gallon. The NCHFP containers page says those freeze too slowly for a satisfactory product.
Using the wrong blanch time. The NCHFP and Kansas State pages give 3 and 2 minutes, while the Colorado State fact sheet gives 4 and 3 minutes.
Letting the freezer run warm. The NCHFP freezer management page says foods lose quality much faster at higher temperatures.

How we chose

The guide draws on twelve pages opened on 2026-10-23. The Kansas State bulletin gives freezing steps, pimiento roasting, a load figure and a caution about hot peppers. The NCHFP pages for sweet and hot peppers give the blanch and packing steps. The Colorado State fact sheet gives a second set of blanch times and a storage range. The NCHFP general pages on blanching times, headspace, containers, freezing, storage, thawing and freezer management supply the rules that apply to peppers.

A page had to return readable text without a login and name a method for sweet or hot peppers, or a general rule for frozen vegetables. Where two pages disagreed, the guide sets out both figures rather than picking one silently. Pages that returned a bot-protection screen, a forbidden response or no response are not cited.

What we could not verify

The sources cover the basic method, but several points remain open. These are the limits of the evidence rather than gaps filled with guesses.

What the sources do not say

A pepper-specific storage time. The sources give ranges for fruits and vegetables as a group.
How long blanched or unblanched peppers keep their texture in the freezer. The sources describe texture at packing time, not after months of storage.
Which blanch time is right for a given pepper size or batch. Two pages give 3 and 2 minutes, and one gives 4 and 3 minutes.
Which headspace rule applies to raw sweet peppers. The general table and the pepper page disagree.
The yield for varieties other than the ones named in the bulletin.

The guide does not name a product, a freezer model or a container brand. Nothing here is a product claim. The sources do not give a pepper-specific test for freezer quality, so the freezer advice rests on the general NCHFP pages.

Frequently asked questions

Do sweet peppers have to be blanched before freezing?

No. The Kansas State bulletin allows freezing sweet peppers without blanching. Blanching is an option for firmer pieces when the peppers will be cooked.

Can hot peppers be frozen without blanching?

Yes. Both the NCHFP hot pepper page and the Kansas State bulletin give raw packaging steps for hot peppers, with no blanching step.

How many peppers fill a pint?

The Kansas State bulletin puts it at three peppers, or about two-thirds of a pound, for one pint. Sizes vary, so weigh a batch if you need an exact count.

Are gloves needed for hot peppers?

The Kansas State bulletin says to wear plastic or rubber gloves when handling hot peppers. It also says to keep your hands away from your eyes, and to wash them with soap and water before touching your face.

How long do frozen peppers keep?

The sources give 8 to 12 months at 0°F in the NCHFP storage table for fruits and vegetables, and 12 to 18 months for most vegetables in the Colorado State fact sheet. For the best quality, use the shorter figure.

Sources

https://bookstore.ksre.ksu.edu/pubs/MF1186.PDF (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/vegetable/freezing-bell-or-sweet-peppers/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/vegetable/freezing-hot-peppers/ (opened 2026-10-23)
https://ccfruitandnuts.ucanr.edu/sites/default/files/2020-09/335868.pdf (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/blanching-times/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/headspace-to-allow/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/containers-for-freezing/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/how-long-can-i-store-frozen-foods/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/freezing-pointers/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/thawing-and-preparing-foods-for-serving/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/freezer-management/ (opened 2026-10-23)
https://nchfp.uga.edu/how/freeze/freeze-general-information/foods-that-do-not-freeze-well/ (opened 2026-10-23)