Two ways to preserve banana peppers
Banana peppers are mild, tangy, and thick-walled, which makes them one of the easiest peppers to pickle. There are two paths, and the right one depends on how much you have and how long you want them to last.
- Refrigerator pickles. Slice, cover with hot brine, cool, and refrigerate. No canner, no processing time. They are ready to eat within a day or two and are meant to be eaten within weeks to a couple of months.
- Water bath canned peppers. Packed in a tested pickling brine and heat-processed in a boiling water canner so the jars are shelf-stable. They keep at room temperature until opened.
Peppers are a low-acid food, so shelf-stable pickled peppers rely on the vinegar to make them safe. That is why the canned route needs more care than the refrigerator route.
Choosing and prepping the peppers
Pick firm, glossy peppers without soft spots. Banana peppers are usually harvested yellow-green and turn orange or red if left on the plant; any of these colors can be pickled, though the ripe ones are often a little sweeter.
- Wash the peppers well.
- Cut off the stems. Slice into rings roughly a quarter to a half inch thick, or halve them lengthwise for stuffing or sandwiches.
- Remove the seeds if you want a milder, neater jar. Leaving them in is a matter of preference; banana peppers are mild, though heat can vary from pepper to pepper.
- Wear gloves if you are handling any hot varieties, and avoid touching your eyes.
If some of your peppers are hot banana peppers, taste a small piece before you decide how many seeds to keep.
A simple refrigerator pickled banana pepper recipe
This version is for the refrigerator only. It is not a tested canning recipe, so do not process it in a canner and store it on a shelf.
- About 1 cup distilled white vinegar (5% acidity)
- About 1 cup water
- 1/2 cup sugar (reduce or omit to taste, since sugar here is for flavor)
- 1 teaspoon salt
- Roughly 3 cups sliced banana peppers
Heat the vinegar, water, sugar, and salt until everything dissolves. Remove from the heat, add the sliced peppers, and stir for a few seconds until they soften slightly. Let the mixture cool, pack the peppers into a clean jar, cover with the brine, and refrigerate. One well-known version of this method reports they keep about two months refrigerated; treat that as an upper estimate and use your judgment on quality.
Add flavor to each jar if you like: a smashed garlic clove, a teaspoon of mustard seed, a few peppercorns, or a pinch of celery seed.
Canning banana peppers in a water bath
For shelf-stable jars, use a recipe that has been tested for safety, such as the pickled pepper recipes from the National Center for Home Food Preservation (NCHFP) or the Ball canning books. The reason is simple: the balance of vinegar, water, and peppers is what keeps the jar acidic enough. Tested recipes typically use vinegar of 5% acidity, and you should not dilute the brine further, cut back on the vinegar, or add large amounts of extra low-acid ingredients.
General steps, which your tested recipe will make exact:
- Prepare the canner and jars. Wash jars, lids, and bands. Keep jars hot until filling. Inspect for chips or cracks.
- Make the brine exactly as your tested recipe specifies and bring it to a boil.
- Pack the peppers into hot jars. Leave the headspace your recipe calls for (often 1/2 inch for pickled peppers).
- Add hot brine, covering the peppers. Remove air bubbles with a non-metallic tool, and re-check the headspace.
- Wipe the rims, apply new lids, and tighten bands fingertip-tight.
- Process in a boiling water canner for the time listed in your recipe, with the jars covered by at least an inch of water. Processing time depends on jar size and your altitude; tested pickled pepper recipes for pints commonly land around ten minutes at low elevations, and increase as elevation goes up. Use the number from your own recipe and altitude chart rather than a figure from memory.
- Cool undisturbed for 12 to 24 hours, then check the seals. A properly sealed lid does not flex when pressed.
If you are new to the process, a general home canning primer from NCHFP is worth reading before your first batch.
Keeping banana peppers crisp
Soft pickled peppers are the most common complaint. A few things help:
- Use fresh, firm peppers, ideally within a day or two of picking.
- Do not overcook or overprocess. Follow your recipe’s timing without adding extra.
- Some tested recipes include calcium chloride products (sold as pickle crisp). If your tested recipe lists it, use the amount it specifies.
- Cool and store the jars promptly; heat damage in a warm pantry softens pickles over time.
Dill and other flavor variations
A “dill” version usually just adds dill seed or fresh dill sprigs and garlic to each jar. These are small additions that do not meaningfully change the acidity, but follow your recipe’s guidance and do not swap in large amounts of fresh, low-acid vegetables. For a sweeter pickle, use the sugar level in your tested recipe; for something hotter, mix in a few hot peppers in place of the same quantity of banana peppers rather than adding extras on top.
Can you freeze banana peppers and then pickle them?
You can, but expect softer results. Freezing breaks down the cell walls in peppers, so thawed slices pickle up tender rather than crisp. Frozen-then-thawed peppers are a better fit for refrigerator relishes, cooked sauces, or a hot pepper butter than for crunchy rings. If crunch matters, pickle them fresh.
Are banana peppers just cut-up pepperoncini?
No. They are often confused because both are pickled and served on sandwiches and salads. Pepperoncini are typically a thinner-walled, slightly wrinkled pepper with a little more bite, while banana peppers are generally smoother, thicker-walled, and milder. Grocery labels are not always consistent, and the two can be used somewhat interchangeably in recipes, but they are different peppers.
Storage and how long they last
- Refrigerator pickles: keep covered in brine and eat within a few weeks to a couple of months. Discard if the brine turns slimy or smells off.
- Properly canned and sealed jars: store in a cool, dark place. Quality is best within a year; use older jars first.
- After opening: refrigerate canned jars and use within a reasonable time.
- Never taste suspect food to check it. If a jar is bulging, leaking, spurting liquid, or smells wrong, discard it without tasting.
Troubleshooting
- Soft peppers: peppers were old, processed too long, or stored warm.
- Cloudy brine: can come from table salt with anti-caking agents, hard water, or spices. Use canning or pickling salt.
- Jar did not seal: refrigerate and use it within a few days, or reprocess following your recipe’s reprocessing guidance.
- Liquid loss in the jar (siphoning): often from packing too tight, bubbles left in, or cooling the canner too fast. If seals are good, the jar is usually fine, but the pepper tops may darken.
- Peppers float: common and not a safety issue; pack firmly and keep them below the brine.
Beyond the pizza topping
Pickled banana peppers go on pizza, sandwiches, salads, and charcuterie boards. If you have more peppers than jars, there are other ways to use a harvest: chop them into a sweet pepper relish, cook them down into a hot pepper butter, or add them to a refrigerator hot giardiniera. Hot banana peppers also make a good pepper jelly, and if you prefer a fermented tang to a vinegar one, see how to lacto-ferment peppers.