Mom's Best Recipes
Recipe

Refrigerator Pickled Mushrooms

Tangy, garlicky, herby quick pickled mushrooms made for the fridge, not canning.

Author By Pip
4.7
A glass jar filled with pickled button mushrooms in a clear vinegar brine with garlic cloves, black peppercorns, and fresh herb sprigs on a kitchen counter
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Pull up a chair. Our little hedgehog host is about to introduce you to the snacky little jar that mysteriously disappears from the fridge: refrigerator pickled mushrooms.

These are no-canning quick pickles with a bright vinegar bite, plenty of garlic, peppercorns for that old-school deli vibe, and herbs that make everything smell like you totally have your life together. (Even if you are eating them straight from the jar over the sink. No judgment. I am a hedgehog of discretion.)

You will simmer a simple brine, briefly blanch the mushrooms so they stay pleasantly tender, and then let the jar chill. They are good in a few hours, better tomorrow, and absolutely at home on salads, boards, and antipasto plates.

Whole white button mushrooms, peeled garlic cloves, fresh dill, and a small bowl of black peppercorns arranged on a wooden cutting board

Why It Works

  • Bright, balanced flavor: vinegar tang with a little sweetness, garlic punch, and peppery warmth.
  • Quick timeline: about 15 minutes of hands-on work, then the fridge does the rest.
  • Great texture: a short blanch keeps mushrooms tender, not squeaky or rubbery.
  • Endlessly useful: instant upgrade for salads, sandwiches, grain bowls, charcuterie boards, and antipasto.

Pairs Well With

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Storage Tips

Jar storage and timeline

Refrigerator only. This is a quick pickle, not a canning recipe. Keep the jar in the fridge the whole time.

  • How soon can I eat them? They are tasty after 4 hours. For the best flavor, wait 24 hours.
  • How long do they keep? For best quality, enjoy within 2 weeks. They can sometimes last a bit longer, but always discard sooner if you notice off odors, mold, or sliminess. Keep mushrooms fully submerged in brine.
  • Container: Use a clean glass jar with a tight lid. A pint jar works for smaller batches, a quart jar is great for the full recipe.
  • Good to know: The olive oil can look cloudy or slightly solid in the fridge. That is normal and will loosen as it warms.
  • Food safety note: If anything smells off, looks slimy, or you see mold, toss it. Always use clean utensils so you do not introduce crumbs or other hitchhikers.
A sealed glass jar of pickled mushrooms on a refrigerator shelf next to other condiments, showing mushrooms submerged under clear brine

Common Questions

Common questions

Do I need to cook mushrooms before pickling?

For refrigerator pickled mushrooms, a quick cook helps a lot. A brief simmer or blanch softens the mushrooms and helps them absorb flavor. It also prevents that raw, spongy feel.

What mushrooms work best?

Button and cremini are ideal because they are sturdy and easy to find. Aim for small mushrooms around 1 to 1 1/2 inches across. If yours are bigger, halve or quarter them so the brine can do its job.

Can I reuse the brine?

I would not reuse it for a second batch of mushrooms. The brine gets diluted by the mushrooms and any leftovers in the jar. If you want to reduce waste, you can splash a little brine into salad dressing or spoon a bit into bean salad.

Why are my pickled mushrooms dark?

Mushrooms naturally darken when cooked and exposed to air. Using cremini will look darker than white button mushrooms. Spices like peppercorns and bay leaf can lightly tint the brine too. Totally normal.

My brine looks cloudy. Is that okay?

Often, yes. A little cloudiness can happen from mushroom starch, and the olive oil can turn cloudy or partially solidify in the fridge. That is normal. If you see mold, smell anything off, or the mushrooms turn slimy, toss the jar.

Can I make them spicy?

Yes. Add 1/4 to 1/2 teaspoon red pepper flakes or a sliced fresh chile to the jar. The heat blooms more over the next day.

Is this safe for shelf storage?

No. This recipe is written as a refrigerator pickle only. Do not process it for shelf-stable canning using these instructions.

Pickled mushrooms feel like the grown-up cousin of a pickle spear, the one who shows up to the party wearing a tiny scarf and immediately makes the cheese plate look fancier. I love having a jar around because it turns “I guess we are having salad” into “ooh, we are having salad.” The mushrooms also have a strange talent for vanishing one by one whenever someone wanders past the fridge. I have narrowed it down to either hungry humans or helpful kitchen hedgehogs.