Crispy air fryer brussels sprouts under a golden pork panko and parmesan crust — crunchy outside, tender in the middle, 5.8g net carbs. I make them almost every week; the whole cook takes about 12 minutes.
I started making these about four years ago, and they've become the side dish I reach for more than anything else on keto. The outer leaves get toasty and crisp while the centers stay tender, and the whole thing takes under 15 minutes of actual cook time.
What sets this recipe apart from a basic roasted version is the pork panko and parmesan coating. I add it halfway through cooking, right after I flip the sprouts. That way the coating sticks to the cut side and gets golden without burning. Every bite has this salty, crunchy layer on top of the caramelized sprout underneath. One of my readers, Diane, has made these eight times and described the flat side as having an "almost lacquered crunch." That's exactly the texture I'm going for.
I've tested a lot of low carb side dishes over the years, and the air fryer beats the oven every time for these. The hot circulating air hits the sprouts from all angles, so you get that crispy edge without babysitting or constant flipping. I pat mine dry after washing (this matters more than you'd think for crackly leaves), toss in olive oil, season with salt and pepper, and let the machine handle the rest while I work on the main course.
I use olive oil on these, not garlic butter. A lot of recipes go the butter route, and I get why (it smells incredible), but butter solids can burn at 400 degrees and the garlic goes bitter. Olive oil gives me a cleaner, more consistent result every time. If you want that garlic flavor, toss in garlic powder with the salt and pepper instead of using fresh garlic or garlic butter.
I usually serve these next to grilled chicken or steak, but they go with just about any protein. When I'm doing a bigger spread, I'll pair them with my roasted cauliflower or roasted asparagus for a full vegetable lineup. A garlic aioli or mustard dipping sauce on the side takes these from side dish to something people reach for first.
For storing leftovers, I put mine in an airtight container in the fridge. They hold up well for about 3-4 days. When I reheat, I go back to 350 degrees for 3-4 minutes to bring back the crunch. The microwave makes them soggy, so I skip it entirely.
These sprouts are one of my go-to keto vegetables, and once I started cooking them this way, they became a permanent part of our dinner rotation. They come out with a crunch you can actually hear. I toss them with pork panko and parmesan cheese for extra flavor and texture with each bite.
The best part is how hands-off the whole cook is. I load the basket, set it to 400 degrees, and walk away while I focus on the main dish. About 12 minutes later, done. Most of that time is just the machine doing its thing.
If you love cooking vegetables this way, try my carrot fries or avocado fries too. Both are in regular rotation at my house.
Are Brussels Sprouts Keto?
Yes. With 5.7 grams net carbs per 4 oz, these are one of the most low carb vegetables I keep in my fridge. I make them for weeknight dinners all the time, and they go with just about any protein I’m cooking. I’ve been eating them on keto since 2012 and they’ve never knocked me out of ketosis.
How to Choose Brussels Sprouts?
Since the seasonings here are simple, I always start with good sprouts. I look for bright green color with no black or yellow spots. The leaves should be tightly packed with no loose ones around the edge, and they should feel heavy for their size. I try to pick ones that are roughly the same size so they cook evenly. After I trim and halve them, I pat the cut sides dry with a paper towel. This step removes surface moisture so the pork panko coating sticks better and the leaves get crackly instead of steaming.
Brussels Sprouts in the Air Fryer
Once I started cooking these this way, I stopped roasting them in the oven entirely. The outer leaves get this toasty crunch that I can’t replicate any other way. The pork panko and parmesan take them to another level.
The hot circulating air crisps the outside while keeping the inside tender. I’ve compared the results side by side with oven roasting, and this method wins on texture every time. They come out with those deep golden, almost caramelized edges in a fraction of the time.
Variations
I like switching these up depending on what I’m serving them with. Here are a few variations I come back to:
Balsamic: I add a splash of balsamic vinegar right after they come out of the basket. The acidity cuts through the richness of the parmesan.
Spicy: I toss in a pinch of cayenne and paprika with the salt and pepper. My husband loves this version with grilled chicken.
Herbed: I add Italian seasonings with the salt and pepper. This pairs really well with my keto green beans with bacon for a full veggie spread.
Holiday: For Thanksgiving or Christmas, I make my cranberry pecan version instead. Different vibe, but the same technique.
Place brussels sprouts in a large bowl and drizzle olive oil on top. Sprinkle salt and pepper on top and stir until combined.
2
Cook at 400 degrees
Place the brussels sprouts sliced side down on the air fryer tray or basket. Cook at 400 degrees for 7 minutes.
3
Top with ground pork rinds & cheese
Flip the brussels sprouts over. Remove any loose leaves and sprinkle on ground pork rinds and parmesan cheese.
4
Cook them again
Cook for an additional 5 minutes until cooked through and golden brown.
Nutrition
Per serving: 1/4 of recipe
Calories
102
Fat
5.2g
Protein
5.3g
Total carbs
10.4g
Net carbs
5.8g
Nutrition is an estimate calculated from the ingredients listed. Brands vary, so check labels if you track closely.
Frequently Asked Questions
Can I use frozen brussels sprouts?
I've made these with frozen ones and they work, but the results are different. Frozen sprouts release more moisture, so they won't get quite as crispy as fresh. I cook them straight from frozen (no thawing) at 400 degrees and add about 2-3 extra minutes to the cook time. I also skip the pork panko on frozen ones because the extra moisture keeps the coating from crisping up properly.
What's the best way to reheat these?
I always reheat mine at 350 degrees for 3-4 minutes. That brings back the crunch almost completely. I tried the microwave once and the texture turned mushy, so I never went back. If you don't have access to the basket, a hot skillet with a little olive oil works as a backup for small portions.
Should I halve or quarter them before cooking?
I halve mine for this recipe. Quartering works too, especially with larger sprouts, but I find halves give me the best ratio of crunchy outside to tender inside. When I've quartered smaller ones, they sometimes dry out before they get that golden color I'm going for. My rule: if the sprout is bigger than a golf ball, I quarter it. Otherwise, halves.
Can I make these without pork rinds?
I've made these without the pork panko plenty of times, and they're still good. Just the sprouts with olive oil, salt, pepper, and parmesan. The pork panko adds a specific crunch and salty flavor that I love, but it's not required. I've also used crushed almonds as a coating, which gives a nuttier texture.
What dipping sauce goes well with these?
I usually eat them straight, but when I'm serving these as an appetizer or snack, I set out a garlic aioli on the side. Just mayo, minced garlic, lemon juice, salt. Mustard aioli works too if you want something sharper. My husband prefers a chipotle mayo (mayo plus a little adobo sauce), which adds heat without overpowering the parmesan crust.
What should I serve these with?
These go next to just about any protein I'm cooking. I serve them with grilled chicken most often, but they pair well with steak, salmon, or pork chops too. When I want a full vegetable spread, I'll make these alongside cauliflower fried rice and call it a complete meal.
Do I need to pat them dry before cooking?
I always do. After I wash and halve mine, I lay the pieces cut-side down on a paper towel for a minute and blot the tops. The surface moisture is what prevents the outer leaves from getting that crackly texture. I skipped this step a few times early on and the difference was obvious. Takes 30 seconds and it's worth it every time.
Can I add bacon while these cook?
I've tried this a few different ways. What works best is cooking chopped bacon in the basket for 3-4 minutes first, then adding the sprouts on top with the rendered fat still in there. If I put raw bacon and sprouts in together, the bacon doesn't render properly and the sprouts steam in the moisture. For a different take, my bacon-wrapped sprouts kebabs recipe is built around bacon from the start.
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Running mine at 380 instead of 400, my air fryer runs hot and the coating was browning before the sprouts finished. Dropping it 20 degrees fixed it. Do a calibration batch first if yours chars before it crisps.
Air fryer temps vary more than most people expect, and 20 degrees is totally normal. Mine reads accurate so I always post at 400, good call, I should add a note about that.
I roasted brussels sprouts in the oven for years and assumed air frying was just the faster, inferior version. The pork rind and parmesan bind into a crust that actually holds through the flip, which is where my sheet pan method always lost the coating. Not a speed thing. Just better.
The pork rind is what makes the flip survivable. It bonds to the parmesan differently than breadcrumbs would, holds its shape while it crisps. I’ve done this with almond flour instead and it slides right off.
Spent decades convinced I didn’t like brussels sprouts. My mom boiled them to gray and the kitchen smelled like it regretted the decision. First time I had them properly charred, at some lunch spot maybe ten years back, I got it. Cut-side char, tender middle, outer leaves gone almost brittle. I kept thinking about that plate while these were cooking, especially after I flipped them and saw the color.nnThe pork rind crust does something the restaurant version didn’t. That extra savory layer makes the whole thing feel more earned. Fair warning: the parmesan as written gets buried. Double it and the crust lands the way it should.
Confession: I wasn’t sure the pork rind coating would land with people outside the keto world. I brought them to a neighborhood dinner last weekend and made the mistake of telling one person what was on them before she tried one. She passed. Everyone else finished the tray and two people came over asking what I put on them. Parmesan and pork rinds, that’s it. A few of them said they don’t usually eat brussels sprouts. I’m on my fourth batch since May and they’ve all gone to other people’s houses. Time to make one for myself.
Was skeptical a 15-minute pre-salt would do anything, but the crust looked so different I ran it twice to be sure. Patting off the surface moisture before the olive oil toss lets the pork rind coating grip instead of half-steaming. The snap when you bite through is freaking absurd. Salt early, dry completely.
Taylor, I test everything twice before I trust it. That snap is the coating gripping dry surface instead of steaming against moisture. I go piece by piece with the paper towel now, not just a quick blot of the whole batch.
Fifth or sixth time making these. I mix a little smoked paprika into the pork rinds before coating, adds depth without competing with the parmesan. My air fryer runs hot so I start checking at 10 minutes, but once you know your machine these are pretty reliable.
Never thought to coat brussels sprouts with pork rinds before, but I had a bag on hand and figured this was finally the time. Cooked mine sliced side down at 400 and the parmesan kind of fused into the pork rind layer to make this thin crackly crust. Wasn’t expecting that at all. Inside stayed tender without going soft, which is usually my problem with oven-roasted sprouts. Do you ever finish with a squeeze of lemon or vinegar after, or does that soften the crust?
It does soften it, yeah. I tried a squeeze right after pulling them and the crackle was mostly gone by the time they hit the table. If you want that brightness, keep the acid on the side and dip.
Made these Sunday and my 9-year-old was picking the crispy loose leaves off the tray before I even got them plated. Kid has never willingly eaten a vegetable in her life. Had to physically stop her so I could have some. Not what I expected from a first brussels sprouts attempt, but I guess we’re making these every week now.
One thing that changed these for me: pull ALL the loose leaves before adding the pork rinds, they cook way faster and you get even crunch across the whole batch instead of half-burnt stragglers mixed in.
I’ve made these probably eight times now and the thing that keeps me coming back is what happens with the pork rind and parmesan at the flip. First few times I wasn’t sure it would matter much but it completely changes the texture in those last five minutes. The flat side comes out with this almost lacquered crunch that I can’t get any other way. One thing I figured out: the loose leaves that fall off during cooking, don’t throw them out. They get extra crispy and those are the best pieces in the whole batch. I’ve also started checking at four minutes instead of five on the second cook because at 400 they go from golden to overdone faster than you’d expect. Making another batch this week.
Trying to meal prep a big batch, but will these reheat okay in the air fryer? Worried the pork rind coating goes mushy. Same 400 degrees or lower the temp?
