Aphids - the Yucky Bug, and How to Prep Brussels Sprouts (2024)

CSA member Anna W. writes, “What are those ‘bugs’ that I find in vegetables like broccoli and now the Brussels sprouts? Are they aphids? Are they edible? The thought just grosses me out so I end up throwing away a lot of healthful vegetables. Can I wash/rinse them off, and how?” Folks, Anna brings up a good question. This is a subject none of us like to deal with but which we have all inevitably encountered.

Yes, Anna, those’re definitely aphids. Tiny soft-bodied grey fuzzy trouble-makers. Sesame-seed-sized Tribbles. You “can” eat them, as in they’re not harmful (technically I suppose they’d be protein), so it won’t hurt if you ingest a few — but they don’t taste good. (And don’t ask me how I know this; you probably, ahem, already know the answer!) A solution from bygone days was to introduce lots of ground black pepper to the dish you were making — the pepper flavor hid the aphid taste, and the little black flecks of pepper hid the… well, you get the idea. I’ve never consciously done this myself, but it’s a bit of lore that could come in handy if you were stuck between a rock and a hard place (i.e. between hunger and no other options). But don’t despair; there are other ways to deal with them!

In our CSA shares we most often encounter them in the brassicas — broccoli, Brussels sprouts, cabbage, kale. With leafy things like kale, they’re easy enough to spot and wash/rub off; they are a bit clingy though, so a simple rinse doesn’t always cut it. Sometimes you have to get your fingers down in there and rub while rinsing, to dislodge them. Cleaning them out of Broccoli and Brussels sprouts is another story entirely though, as both have lots of little interstices for hiding in.

First, broccoli. About a year ago I wrote a comprehensive treatment (with good pictures) for dealing with aphids in broccoli so definitely go there if you specifically want to address aphids in broccoli. This is by far the best technique I’ve come up with. Rinsing does not work; not even rinsing with hot water.

On to Brussels sprouts. Here, eradicating aphids is a wee bit easier than with broccoli as a) you have to prep each individual sprout before you cook them anyway, b) the buggers are easier to spot, and c) the techniques for removing them are essentially a slightly more aggressive version of the prep you’re already doing.

So: that provides a nice segue into simply showing you how to prep Brussels sprouts!

Prepping Brussels sprouts takes some patience, because there’s no getting around having to deal with them one at a time. It’s all well worth the trouble though, because boy are they good! Think of it as a zen exercise; makes it very contemplative, calming.

Generally speaking (and especially if aphids are not evident), you don’t have to wash Brussels sprouts because you are already “cleaning” them by trimming off the bottom and then peeling away a few outer leaves.




If aphids are present, simply trim off the areas where you see them, or remove more leaves until you’ve reached a layer where they are no longer present.




Or if after trimming and removing a few leaves there are still some aphids and it seems a waste to cut away more sprout to remove them, use a soft-bristle brush under a little running water to clean remaining aphids out of the crevices. I sometimes do this; I go back and forth. Cutting them in half is a reassuring step as well, as this makes it easy to confirm you got all the aphids.


(Cutting in half is not a required prep step though; it’s just one I commonly make, as I like to pan brown them. They are also delicious oven-roasted whole, with a little olive oil, garlic, salt and pepper.)

Sometimes a sprout will just have too many aphids; if that’s the case, chalk it up as a loss and move on to the next sprout.

Pan-Browned Sprout Recipes
There are really many variations, and you should totally feel free to experiment, but the basic steps are: steam trimmed, halved sprouts for a scant two minutes, then brown in a heavy-bottomed skillet in some sort of fat (olive oil, butter, or a combination of both; bacon drippings; coconut oil; whatever you like to cook with), and season with salt. Beyond that, you can introduce herbs; you can introduce other veggies or alliums (onion, leek, garlic); mushrooms, eggs, bacon/ham/pancetta type things, cheeses… I’ve even added nuts and liqueur and flambeed them! (Stand back or you’ll singe your eyebrows!)

In the first example I browned them in a combo of butter and olive oil, then embellished by adding herbes de provence, salt and pepper, mushrooms and shelled pistachios. I like herbes de provence a lot with sprouts, but they would also be good with thyme, or sage.



I try to turn them all cut-side down, so they get nice and browned on the flat sides.


In the second example – a simple breakfast scramble – I used the same butter, oil and seasonings combo (herbes de provence, salt and pepper), but instead of the mushrooms and nuts I added beaten eggs and made a scramble, then served ’em up with a side of sourdough toast. A yummy addition to this combination, if you have it, is to crumble some feta cheese on top and let it melt for a minute or so before serving. But if you don’t have cheese (as I didn’t in this example), they are still perfectly yummy!





Bon appetit!

Aphids - the Yucky Bug, and How to Prep Brussels Sprouts (2024)

FAQs

How to clean aphids off Brussels sprouts? ›

If you spot sticky leaves or see a bunch of ants acting like they own the place, you've got aphids setting up shop. Blast them off with a hose or go full ninja with insecticidal soap. For a more nature-friendly approach, recruit an army of ladybugs to chow down on these pests.

How to grow Brussels sprouts without aphids? ›

For example, onions, marigolds, or garlic planted near Brussels sprouts work great at deterring aphids–they find the smell repugnant.

Do frozen Brussels sprouts have bugs? ›

Those same little green or black bugs that can destroy a bouquet of flowers can infiltrate your frozen veggies, particularly spinach, broccoli, and Brussels sprouts. And if you home-brew beer, you might consider growing your own hops: The FDA legally allows 2,500 aphids for every 10 grams of hops.

How to get rid of cabbage aphids naturally? ›

Mild dish soap is used as an emulsifier with other organic aphid pesticides like neem oil and tomato leaves. But it can be used on its own, too. "A simple solution of mild dish soap and water can be an effective insecticidal soap and also particularly effective if you're dealing with aphids," Ivanov says.

Does vinegar keep aphids away? ›

If you have a problem with aphids, then you might want to try apple cider vinegar to help get rid of these crop-killing bugs. Take a bottle and combine 1 ounce of apple cider vinegar with 3 ounces of water and mix it together.

How do you get rid of aphids fast? ›

Another natural way to get rid of aphids in your garden is to make a soap solution. Mix a few drops of pure castile soap with water in a spray bottle and shake well. Spray the solution onto your plants, focusing on the areas where aphids are present. The soap will suffocate the aphids and cause them to die off.

When should you not eat Brussels sprouts? ›

If any of the leaves have brown spots or are yellowing, it's a sign of early spoilage. If you remove the blemished leaves and the interior looks OK, you can still use the sprout. However, if the interior leaves are also showing blemishes or yellowing, it's best to toss it (or compost it, if you can).

How long to soak Brussels sprouts in salt water? ›

It won't take a lot -- just add 1 tablespoon of salt per 1 quart of water and toss in trimmed and halved Brussels sprouts. Soaking the sprouts in salt water doesn't take long --10 to 30 minutes is plenty long enough to soften up the centers.

Why do you soak Brussels sprouts before cooking? ›

The soak time tenderizes the sprouts so the middles are softer. Don't worry, they won't be soggy! I would never do that to you. If, like me, you don't mind some chew to your sprouts, you don't need to soak the Brussels sprouts prior to cooking.

What do aphids hate the most? ›

Aphids aren't big fans of aromatic herbs. Planting garlic, chives, leeks, catnip, fennel, dill and cilantro will help repel aphids. Marigolds are also known to drive away a number of unwanted pests. Research good companion plants for these garden additions and place them wisely.

What is the best homemade aphid killer? ›

Soap and Water

A few tablespoons of liquid dish or insecticidal soap diluted in a pint of water is the simplest way to make a natural aphid killer spray for that aphid infestation. After mixing the water and soap mixture, fill up a squirt bottle, take a dish sponge and head out to your garden.

Can I use Dawn dish soap to get rid of aphids? ›

Spray the plants with soapy water every few days, especially on the underside of the leaves. One tablespoon of dish soap or castile soap per gallon of water is enough. Spray with dish soap plus cayenne pepper and/or neem oil. Neem oil sprays are available at most garden centers.

How do you clean Brussels sprouts? ›

The Best Way to Clean Brussels Sprouts

Place your Brussels sprouts in a colander and run them under cool water, rubbing each sprout to remove dirt and debris. Then, use a knife to cut off the stem on the bottom of each sprout. Peel off any yellowed, wilted, or damaged leaves and then pat the Brussels sprouts dry.

Can you clean brussel sprouts with vinegar? ›

Soak brussels sprouts in water and some white vinegar to clean for about 10 minutes to clean & rinse. Cut stems off and halve the brussels sprouts vertically and place on a parchment lined baking sheet. Season brussels sprouts liberally with salt & pepper and coat with avocado oil.

How to get aphids off broccoli before cooking? ›

Submerging the florets in cold very salty water, and then rinsing it will normally get rid of the hiding critters. The broccoli needs to be completely submerged for 15 minutes or longer for it to work. A large stock pot with the lid inverted and weighted down works well.

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