Spicy Maple Keto Pork Belly Bites
Published December 23, 2020 • Updated March 14, 2026
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I rub thick-cut cubes in a 6-spice chili blend, air fry for 8 minutes, then toss in sugar-free maple syrup while the fat is still hot. 13 minutes start to finish. 0.4g net carbs.
At a restaurant, these take 2 to 3 hours (slow braised, then seared). My version takes 13 minutes from cutting board to plate because the air fryer does the work of both methods at once. The circulating heat renders the fat, crisps the outside, and keeps the center tender without any babysitting.
The flavor comes in two layers. A dry rub with chili powder, paprika, cayenne, garlic powder, and black pepper goes on before cooking. Then right when the bites come out of the air fryer (while the fat is still hot), I toss them in sugar-free maple syrup. The heat melts the syrup into a sticky glaze that coats every surface. Sweet, spicy, salty, all at 0.4g net carbs per serving.
I originally made these for a game day watch party and they were gone in minutes. They work just as well as a holiday appetizer (I like them alongside keto air fryer wings and keto nachos for a full spread) or a weeknight keto snack when I want something rich without a long cook time. For a bigger table, I add bacon wrapped brussel sprouts and call it dinner.
Why this cut works for low carb
This is one of the fattiest cuts you can buy, which makes it naturally keto-friendly. Each serving delivers 30g of fat with virtually zero carbs before the seasoning. The fat also means the bites stay moist inside the air fryer even at high heat. I’ve tried leaner cuts like chicken breast the same way and they dry out fast without breading or a long marinade.
How to Make Spicy Maple Pork Belly Bites
I preheat my air fryer to 400 degrees F while I cut into 1-inch cubes. Uniform size matters here because smaller pieces overcook and larger ones stay chewy in the center.
I mix the six spices (chili powder, salt, paprika, black pepper, cayenne, and garlic powder) in a small bowl, then toss the cubes in the spice blend until every surface is coated. I arrange them in a single layer in the basket with space between each piece so the air can circulate.
Air fry for 8 minutes. The exact time depends on your model and how thick the cubes are cut. I look for golden-brown edges with rendered fat and a tender center. If your pieces are thicker than 1 inch, add 1 to 2 minutes.
I transfer the hot bites to a bowl, drizzle with sugar-free maple syrup, and toss immediately. The residual heat melts the syrup into a thin glaze that clings to each piece. I serve right away while the outside is still crispy.
I like to pair these with other finger foods like buffalo cauliflower bites or keto cocktail weenies when I’m building an appetizer spread.
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Ingredients
1 pound pork belly, rinsed and patted dry -
3/4 teaspoon chili powder
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1/2 teaspoon salt
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1/4 teaspoon paprika
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1/4 teaspoon black pepper
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1/4 teaspoon cayenne pepper
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1/4 teaspoon garlic powder
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2 - 4 tablespoons sugar free maple syrup
Step by Step Instructions
Step by Step Instructions
Cut the pork belly
Cut pork belly into 1/2 inch chunks and place in a bowl. You can also use pork belly slices.
Air fry
Add pork belly to air fryer tray or basket in an even layer. Air fry at 400 degrees for 6 – 8 minutes. Cook longer if your chunks are larger.
Nutrition disclaimer
The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.
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Get My Macros + Recipes →Frequently Asked Questions
Can I freeze these?
I freeze these all the time. I let them cool completely, spread them on a sheet pan in a single layer, and freeze for about an hour. Once they're solid, I transfer to a freezer bag. They keep for up to 3 months. I don't add the maple glaze before freezing because it gets tacky. Instead I freeze after the air fry step and add fresh syrup when I reheat.
Can I cook these from frozen?
Yes, I've done it when I forgot to thaw a batch. I air fry from frozen at 400 degrees F for about 14 to 16 minutes (roughly double the normal time). I check at 12 minutes and go from there. The outside crisps up the same way, it just takes longer for the heat to reach the center. I toss with maple syrup right when they come out, same as fresh.
Are these the same as pork belly burnt ends?
Basically the same idea. Traditional burnt ends are usually brisket point, but the pork belly version has become the more popular one at most BBQ spots. My recipe skips the 3-hour smoke and gets similar results in the air fryer in 8 minutes. The spice rub and maple glaze give you that sweet-heat bark without the smoker. I started making these after a reader asked this exact question, and the only real difference is cook time and smoke flavor.
Do I need to flip them in the air fryer?
I don't flip mine and they come out evenly cooked every time. The air fryer circulates heat from all directions, so flipping isn't necessary for 1-inch cubes. If your pieces are larger or your air fryer has a weaker fan, you can shake the basket at the 4-minute mark. But for standard-size bites at 400 degrees, I leave them alone for the full 8 minutes.
Should I use skin-on or skinless?
I use skinless for this recipe because it absorbs more of the spice rub and the maple glaze clings better to the meat surface. Skin-on works if that's what your butcher has, but the skin gets chewy in only 8 minutes of air frying. If you want crispy skin, you'd need to go longer (15 to 20 minutes) and skip the glaze, which is a different recipe at that point. For these bites, skinless is what I reach for.
What if I don't have all the spices?
I've made these with just chili powder and salt when my spice drawer was running low, and they still worked. The paprika, black pepper, cayenne, and garlic powder add depth, but the recipe holds up if you're missing one or two. I've also used store-bought chili seasoning as a shortcut. For a milder version, I skip the cayenne entirely. The maple syrup glaze carries enough flavor on its own that the rub doesn't need to be exact.
How long do leftovers last?
I store mine in an airtight container in the fridge for up to 4 days. To reheat, I toss them back in the air fryer at 375 degrees F for 3 to 4 minutes and the syrup caramelizes all over again. The oven works too (400 degrees F for 5 to 6 minutes on a wire rack). I avoid the microwave because it makes the texture rubbery. I add a fresh drizzle of sugar-free maple syrup after reheating if the original glaze has absorbed.
What sugar-free maple syrup works best?
I've tested ChocZero, Lakanto, and Pyure. ChocZero is my go-to because it has the thickest consistency and clings to the bites instead of running off. If you don't have sugar-free maple syrup at all, I've subbed in soy sauce with a pinch of sweetener for an Asian twist, or melted butter with hot sauce for a buffalo version. The coating adds flavor but the carb impact stays minimal with any of these.
My son has been skeptical of anything I call 'keto' since the cauliflower pizza incident. Made these Sunday. He ate half the bowl before I even sat down, then came back asking for more, pointing at 'the sticky part.' That maple coating over a spice rub, in 13 minutes. Didn't see that coming.
Forgot how good sweet-savory pork was until this. Two years keto and somehow that slipped my mind. The 8-minute air fry gets the fat just right before the syrup hits, and the cayenne under the maple is the move. Four stars only because I wish there was more.
Made a double batch Sunday and these reheat better than anything I've prepped in months. Toss them back in the air fryer at 375 for a few minutes and the syrup caramelizes all over again. Already planning a triple batch.
The re-caramelization on the reheat is real. Triple batch is the only logical conclusion.
Added the maple syrup at the 4-minute mark instead of the end, then gave it 2 more minutes. The glaze sets into the crust rather than pooling on top, and the edges caramelize into something almost candied. Much better than the post-cook toss.
That caramelized-into-the-crust thing is the whole point. Post-cook toss gets you a wet coating. Trying this next batch.
These were great but I'll cut the cayenne in half next time. I'm not much of a spice person and even the 1/4 teaspoon had me reaching for water. The maple syrup at the end was the best part though, that sweet heat combo was better than I expected from something this quick.
1/8 teaspoon is the sweet spot for heat-sensitive. The chili powder carries the flavor anyway so you won't lose much. And yeah, that maple finish is why I kept testing it.
Made these for game day and my husband, who won't go near anything with cayenne, kept coming back for more because the maple just takes the edge off. The fat renders out perfectly in the air fryer and the outside gets this lacquered caramel finish I was not expecting at 400 degrees. I usually spend way more time on pork belly so 13 minutes felt suspicious, but here we are. Going in the rotation.
Yeah, the maple softens the cayenne without killing it. That's exactly the balance I landed on after testing. And that caramel finish happens fast at 400, surprised me too the first time I pulled the basket.
Do you know if this is the same thing as pork burnt ends? I had them recently (not keto) at a restaurant. I had them leave the sauce off to make it better. Anyway, that would be amazing to make my own (assuming I can find the meat). The internet said burnt ends are made from belly cut.
Yeah, basically the same thing. Traditional burnt ends are usually brisket point but pork belly burnt ends have blown up and that's what most places are doing now. Fresh pork belly is usually in the meat case near the ribs or pork shoulder, but if you don't see it just ask the butcher. Skipping the maple and just doing the spice rub dry works great too.
Is this recipe diabetic friendly? Would like to try this!
Yes it is. Sometimes the sugar-free maple syrup can increase blood sugar in some people so maybe dust with sugar-free brown sugar sweetener like Brown Swerve instead.
Did the oven version and it came out delicious, I went light on maple.
Oven renders the fat a little slower, which some people actually prefer. Light maple lets the spice rub do more.
I made this tonight and it was really delicious. I actually liked it better without the syrup. Will definitely make this again.
Yeah the rub holds on its own. The fat renders out and the spices come through sharper without the maple.
I am new to Keto and found your website. I watched several videos and really like the recipes. I’m looking for recipes that will work for the whole family, not just me. Time is of the essence when trying to juggle work and family. I don’t want to spend a lot of time preparing two different meals. Do you have a 30 day menu available that includes main courses as well as snacks for each day to follow?
Hi Sheryl! That is something that I plan to create in the future. As a working mom, I get where you are coming from and I'm right there with ya on trying to find easy keto recipes to make that the whole family will enjoy.