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    Home ยป Recipes ยป Article

    How to tell if brussel sprouts are bad?

    Published: Jul 15, 2022 by Lisa Killian ยท This post may contain affiliate links. Please read myย  disclosure policy.

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    Brussel sprouts are a delicious and nutritious addition to any meal, but sometimes you might just wonder how to tell if brussel sprouts are bad?

    moldy half of brussel sprout
    Make sure to eat your brussel sprouts before they go bad!

    Whether you just got them from the store or theyโ€™ve been sitting in your fridge for a while, itโ€™s important to know the signs of good and bad brussel sprouts!

    I have eaten my fair share of brussel sprouts and have come across enough bad batches from the store to know what to stay away from. I hope this article will teach you everything you need to know about brussel sprouts!

    brussel sprouts in bowl
    What's your favorite way to eat brussel sprouts?

    What are brussel sprouts?

    Brussel sprouts are a form of cabbage that is known for its edible buds/sprouts. They are in the cruciferous family and got their name for being cultivated in Brussels Germany.

    How to tell if brussel sprouts are bad?

    Bad brussel sprouts can have a bad smell, similar to old cabbage. They might be a lighter green color, have brown edges, are moldy, or even slimy.

    really yellow old brussel sprout
    Even pulling back a few leaves this sprout was still yellow and was starting to get soft.

    If the stem of the brussel sprout is black or brown, or there are black spots on the leaves, it is starting to go bad or has gone bad. Sometimes you can remove a bad outer leaf, similar to cabbage, and still eat the inside, if there are no other signs of decay.

    old leaves on brussel srout
    good sprout with leaves pulled back
    If you pull back a few leaves you can still eat the good, firm, inside.

    What does a good brussel sprout look like?

    Fresh brussel sprouts are firm with tight leaves. They smell earthy and not like cabbage.

    bottom of an okay sprout
    good sprout
    Cut off the end and remove loose leaves before cooking!

    How to tell if cooked brussel sprouts are bad?

    There will usually be a sour odor and the brussel sprouts might be extra liquidly, mushy, and there could be mold. Cooked brussel sprouts should typically be eaten within 2-3 days once cooked.

    Overcooked brussel sprouts will release a sulfurous smell, especially when boiled. This is where a lot of the hate for these tasty sprouts come from!

    Brussel Sprouts in a Cast Iron
    Maple Bacon Brussel Sprouts is my favorite way to eat brussel sprouts!

    If you want to try my favorite ways to eat brussel sprouts check out my roasted sprouts, and this maple bacon brussel sprout dish! We eat these all the time here!

    How to tell if raw brussel sprouts are bad?

    Raw sprouts are bad if there is mold present, all their leaves are loose, the leaves are turning yellow/brown, or if the sprout is soft and squishy.

    Pro Tip


    If you can reveal a green, firm, brussel sprout center you can typically still eat the sprout. Just remove any leaves that are loose or show signs of decay, cut off the stems to reveal a fresh firm stem.

    Cut the sprout in half and see what the center looks like. Use your best judgement on whether to eat or not.

    If you are really unsure, it is always better to be safe rather than sorry, and you should toss or return your produce.

    Bugs in raw brussel sprouts?

    Sometimes when you are removing the outer loose leaves, or even when you cut the sprout in half, you will see evidence of where a worm ate its way through the sprout. 

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    If there are only a few sprouts that show this I will just cut those pieces off (or toss the entire sprout) and cook the rest.  If the entire bag/bunch of sprouts has evidence of being eaten by worms I will often return the produce to the store and not eat it.

    evidence of worm eating outside of sprout
    brussel sprout with evidence of worm
    evidenced of worm poop and dirt inside leaves of brussel sprout
    Above you can see evidence of a worm eating the outside leaves (top left), evidence of worm eating inside of brussel sprout (top right), and leftover worm poop and some dirt inside the leaves of the brussel sprout (bottom).

    Can you freeze brussel sprouts?

    Yes! They need to be blanched first but will freeze anywhere from 12-16 months.

    The method for blanching and freezing brussel sprouts is the same as broccoli, so check out how to do that here!

    fresh cut brussel sprout half
    fresh cut stem of brussel sprout
    full sprout and sprout with end cut
    sprout cut in half with loose leaves and sprout with loose leaves removed
    To prep sprouts cut off the base/stem and remove loose leaves.

    How long do brussel sprouts last?

    Raw on the counter, they will last 3-4 days, raw in the refrigerator, they will last 1-2 weeks. Cooked brussel sprouts will keep 2-3 days in the refrigerator.

    What are brussel sprouts good for?

    Brussel sprouts are high in fiber, potassium, Vitamins A, C, and K. They even have 3 grams of protein for every cup!

    Oven Roasted Brussel Sprouts with lime juice being squeezed onto them
    Crispy Brussel Sprouts are super tasty!

    What do brussel sprouts taste like?

    Brussel sprouts have a milder cabbage flavor and are much denser.  The smaller the sprout the sweeter the flavor, whereas the larger sprouts will taste a bit more like cabbage. 

    large verse small brussel sprout
    Left shows a larger brussel sprout that was sold precut from the store, right shows a store bough brussel sprout that was whole.

    Tips for long lasting brussel sprouts:

    • Donโ€™t wash brussel sprouts before you are ready to cook the,
    • Remove any loose leaves

    Should you refrigerate brussel sprouts?

    Yes. Uncooked/raw brussel sprouts will las 1-2 weeks when refrigerated.

    More Related Articles

    If you like this helpful food article, make sure to check out how to tell if potatoes are bad, how to tell if buttermilk is bad, and how to roast green chile!

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    How to tell if brussel sprouts are bad featured image

    How to tell if brussel sprouts are bad?

    Brussel sprouts are a delicious and nutritious addition to any meal, but sometimes you might just wonder how to tell if brussel sprouts are bad?
    3.67 from 3 votes
    Print Pin
    Author: Lisa Killian
    Prep Time: 5 minutes minutes
    Total Time: 5 minutes minutes
    Course: Side Dish
    Cuisine: American
    Servings: 2

    Ingredients

    • 1 lb Brussel Sprouts

    Instructions

    • Bad brussel sprouts can have a bad smell, similar to old cabbage. They might be a lighter green/yellow color, have brown edges, are moldy, or even slimy.
      1 lb Brussel Sprouts
      really yellow old brussel sprout
    • If the stem of the brussel sprout is black or brown, or there are black spots on the leaves, it is going bad. Sometime you can remove a bad outer leaf, similar to cabbage, and still eat the inside, if there are no signs of decay.
      old leaves on brussel srout
    • Raw sprouts are bad if there is mold present, all their leaves are loose, the leaves are turning yellow/brown, or if sprout is soft and squishy.
      moldy half of brussel sprout
    • Sometimes when you are removing the outer loose leaves, or even when you cut the sprout in half, you will see evidence of where a worm ate its way through the sprout. If there are only a few sprouts that show this I will just cut those pieces off (or toss the entire sprout) and cook the rest. If the entire bag/bunch of sprouts has evidence of being eaten by worms I will often return the produce and not eat it.
      evidenced of worm poop and dirt inside leaves of brussel sprout

    Notes

    Tips and Tricks
    • Raw on the counter they will last 3-4 days, raw in the refrigerator they will last 1-2 weeks.
    • Cooked brussel sprouts will keep 2-3 days I the refrigerator.

    Nutrition

    Calories: 98kcal | Carbohydrates: 20g | Protein: 8g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 0.1g | Sodium: 57mg | Potassium: 882mg | Fiber: 9g | Sugar: 5g | Vitamin A: 1710IU | Vitamin C: 193mg | Calcium: 95mg | Iron: 3mg

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    3.67 from 3 votes (3 ratings without comment)

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