Mexican Coleslaw

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published November 26, 2022 • Updated March 15, 2026

This post may contain affiliate links. See my disclosure policy.

This keto cabbage slaw gets its kick from jalapeño-infused avocado oil with lime zest and cumin. I toss it with fresh cilantro and red onion for a crunchy side that works with tacos, fish, or grilled anything.

Most coleslaws are an afterthought, something you grab from a deli tub and forget about. I wanted a slaw that actually earned its spot on the plate, and the answer turned out to be jalapeño-infused avocado oil. That one technique is what separates this from every pre-made version I’ve tried.

Here’s what I do: instead of mixing raw jalapeño into the salad, I let sliced jalapeño steep in avocado oil with lime zest, garlic, and cumin for at least 30 minutes (overnight is better). The oil pulls out a slow, warm heat that’s nothing like biting into a raw pepper. The lime zest is what gets people. Most coleslaws just use juice, but the zest is where the real citrus flavor lives. I didn’t figure that out until I accidentally left it out once and the whole batch tasted flat.

A plate with coleslaw and jalapenos next to chicken covered in mole sauce.

I serve this mexican coleslaw alongside cilantro lime chicken, piled on fish tacos, or next to grilled vegetables at cookouts. It pairs with practically any protein. My favorite combo is a big scoop of this slaw on top of a taco salad or served alongside grilled bacon burgers when we have people over.

The whole thing takes about 10 minutes of active prep. Toss a bag of coleslaw mix with red onion, fresh cilantro, and that infused dressing, and you have a keto side dish that holds its crunch for days. I’ve brought this to three cookouts now, and every time my bowl comes back empty before anything else on the table gets touched.

One thing I learned after making this dozens of times: the jalapeño keeps releasing heat into citrus-based dressings. By day three, leftovers are noticeably spicier. If you’re prepping for the week, pull the jalapeño out after infusing or cut the amount in half. The flavor stays, just without the creeping heat that surprises people.

At roughly 3-4 net carbs per serving, this is one of the easiest low carb sides I keep in rotation. No cooking, no heating up the kitchen, just sharp flavors and good crunch.

What goes into this jalapeño lime slaw

These ingredients come together into a bright, tangy cabbage salad with a homemade dressing that takes about two minutes to stir together.

  • Avocado oil: I use avocado oil because it has a clean, neutral taste that lets the lime and cumin come through. It’s the base of the infused dressing.
  • Jalapeño peppers: I keep the ribs and seeds on for maximum heat. The whole slices steep in the oil and get pulled out before tossing, so you get warmth without chunks of pepper in every bite.
  • Garlic, minced: One clove, minced fine. It mellows as it sits in the oil.
  • Lime zest and lime juice: Both. I can’t stress this enough. The zest carries the real citrus punch; the juice adds the acid that softens the cabbage just enough.
  • Cumin: Half a teaspoon is all you need. It adds warmth without making this taste like a spice blend.
  • Coleslaw mix: A 14 oz bag works, or shred your own cabbage. I’ve started using fresh cabbage because it holds its crunch longer, especially when making this ahead.
  • Red onion, thinly sliced: Thin slices, not diced. You want ribbons that weave through the slaw.
  • Cilantro: A full cup of chopped cilantro stirred in right before serving. It wilts fast, so I always add it last.

A bowl of spicy mexican coleslaw in front of a dressing boat.

How to make this cilantro lime coleslaw

There are only a couple of steps, and most of the time is hands-off while the dressing infuses.

  1. Make the dressing: Add avocado oil, jalapeño slices, garlic, lime zest, lime juice, ground cumin, and salt to a small bowl. Stir it together.
  2. Let it infuse: Cover and refrigerate for 30 minutes minimum. I usually make mine the night before and let it sit overnight. The longer it sits, the more heat the jalapeño releases.
  3. Toss: Pull out the jalapeño slices and pour the dressing over coleslaw mix in a large bowl.
  4. Finish: Add sliced red onion and cilantro, toss once more, and serve.
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Mexican Coleslaw

4.6 (9) Prep 35m Total 35m 6 servings

Ingredients

  • ¼ cup avocado oil
  • ½ whole jalapeno, sliced
  • 1 garlic, minced
  • 1 tablespoon lime zest
  • 2-3 tablespoons lime juice
  • ½ teaspoon ground cumin
  • ½ teaspoon salt
  • 1 (14 oz) bag coleslaw mix or 1 head cabbage, sliced
  • ¼ red onion, thinly sliced
  • 1 cup chopped cilantro

Step by Step Instructions

Step by Step Instructions

1
Preparing coleslaw dressing

Add avocado oil, jalapeno slices, garlic, lime zest & juice, ground cumin and salt to a small bowl. Stir and let sit for 30 minutes or overnight to allow time for flavor from jalapeno to infuse into the oil.

A flat whisk pulling out a jalapeno slice over a small bowl of dressing.
Tip Leave ribs and seeds on the jalapeno for maximum flavor and heat.
Ingredients for this step
  • ¼ cup avocado oil
  • ½ whole jalapeno, sliced
  • 1 garlic, minced
  • 1 tablespoon lime zest
  • 2-3 tablespoons lime juice
  • ½ teaspoon ground cumin
  • ½ teaspoon salt
2
Assemble coleslaw

Before serving, remove jalapenos from the coleslaw dressing. Toss dressing with coleslaw, onion and cilantro in a large bowl.

A salad bowl filled with coleslaw mix, red onion and cilantro.
Tip Leave jalapenos or diced into small pieces if you desire a spicier salad.
Ingredients for this step
  • 1 (14 oz) bag coleslaw mix or 1 head cabbage, sliced
  • ¼ red onion, thinly sliced
  • 1 cup chopped cilantro
Nutrition Per Serving 1 1/3 cups
107 Calories
9.4g Fat
0.9g Protein
3.4g Net Carbs
5.1g Total Carbs
6 Servings
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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Mexican Coleslaw

Frequently Asked Questions

How many net carbs are in this slaw?

I calculated roughly 3-4 net carbs per serving when I make it with the standard 14 oz bag of coleslaw mix divided into 6 portions. The carbs come mostly from the cabbage and red onion. It fits easily into my daily keto macros, and I don't even think about it when I'm plating up.

Can I use serranos instead of jalapeños?

I've tried both. Serranos are sharper and the heat hits faster, while jalapeño gives a slower, gentler warmth. If you like that kind of immediate kick, go for it. I'd start with 15-20 minutes of infusion instead of the full 30 since serranos release heat quicker into the oil.

Is this coleslaw good for fish tacos?

It's one of my favorite uses for it. I pile this on top of grilled fish tacos, shrimp tacos, anything with a crispy shell. The lime and cilantro in the dressing already match that flavor profile, so they feel like they were made for each other. I also use it on pulled pork tacos when we do taco night.

Can I make the dressing ahead and toss right before serving?

That's exactly what I do most of the time. I make the dressing up to a week in advance and keep it in the fridge. Right before serving, I pull out the jalapeño slices, pour it over fresh coleslaw mix, and toss with cilantro and red onion. The cabbage stays way crunchier this way compared to dressing it hours early.

Does the jalapeño heat get stronger the longer the slaw sits?

Yes, and I learned this after meal prepping a big batch. The jalapeño keeps releasing capsaicin into the citrus-based dressing, so by day three the heat is noticeably more intense. When I'm prepping ahead, I pull the jalapeño out after the initial 30-minute infusion and store the dressing separately. The flavor stays, the escalating heat doesn't.

Is this recipe Whole30 or paleo compliant?

I checked every ingredient, and yes. Avocado oil, jalapeño, garlic, lime, cumin, cabbage, red onion, cilantro are all Whole30 and paleo approved. Just skip the creamy additions (Greek yogurt, sour cream, mayo) if you're strict about dairy. I've served this at dinners where half the table was paleo and nobody needed to modify anything.

Do I need to remove the jalapeños before serving?

I pull mine out because I like the infused heat without biting into a whole slice. But if you want more spice, chop the jalapeño into small pieces and leave them in. My rule: if it's going on the table for guests, I remove them so nobody gets a surprise chunk of pepper. When it's just for me, I leave them.

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How to make it creamy

The base recipe is dairy-free on its own, but I’ve made creamy versions plenty of times when I want something richer. All you need is 1-2 tablespoons of one of these stirred into the dressing:

  • Greek yogurt (my favorite for a keto creamy slaw, adds tang without heaviness)
  • Sour cream
  • Mayonnaise

I usually go with Greek yogurt because it blends into the lime dressing without masking the jalapeño. Sour cream works too, it’s just a little heavier. Mayo gives you that classic creamy coleslaw texture if that’s what you’re after.

Ways I switch it up

I’ve tried a lot of swaps over the years. Here are the ones that actually worked:

  • Jicama or radish for extra crunch. I slice jicama thin and toss it in with the cabbage. It stays crisp even after sitting in dressing overnight.
  • Apple cider vinegar in place of some of the lime juice if you want a sharper, less citrusy tang. I use about a tablespoon.
  • Taco seasoning or adobo sauce instead of cumin for a different spice profile.
  • Shred your own green, purple, or red cabbage instead of the bagged mix. I prefer purple for the color contrast.
  • Swap red onion for green onion, red bell pepper, or celery if raw onion is too strong for you.
  • Skip the jalapeño entirely if you don’t want any heat. The lime and cumin dressing still holds up on its own.

This slaw also works as a low-carb topping for fish tacos or wrapped in keto tortillas with grilled chicken. I like serving it alongside Asian cucumber salad when I want two sides on the table, or next to broccoli cauliflower salad and keto potato salad for a full cookout spread.

A large bowl of coleslaw topped with jalapeno slices near some gold tongs.

How I store and meal prep this

Refrigerate: I keep leftover slaw in an airtight container for up to three days. The cabbage softens slightly by day two but still has good crunch if you used fresh-shredded.

Make the dressing ahead: I make the jalapeño-infused dressing up to a week in advance and store it separately. When I’m ready, I pour it over fresh coleslaw mix and toss. Keeping the dressing separate works best for meal prep because the cabbage stays crisp until you’re ready to eat.

Watch the heat: If you leave the jalapeño in the dressing for more than a day, the spice builds. By day three, it’s noticeably more intense. I pull the slices out after the initial 30-minute infusion when I’m prepping for the week. The flavor stays without the escalating heat.

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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  1. Q
    Quinn Mar 25, 2026

    Left the jalapeño in the oil longer than the recipe says on my second batch, around 20 minutes, and the heat level jumped noticeably. Now I pull it at about 8 minutes when I'm making it for people who can't handle much spice, leave it in longer when it's just for me. Also tried thinly sliced napa cabbage instead of the bag mix and it held up better to the dressing, less waterlogged after sitting for an hour. The lime zest is doing more than I expected, almost worth zesting two limes if you're into that brightness. Would bump the cumin up to 3/4 teaspoon next time, but that's a small thing.

  2. T
    Tanya Mar 22, 2026

    I made this on Friday to go with fish tacos and my husband, who picks cilantro out of literally everything, went back for more without saying a word about it. I kept waiting for him to push it around his plate. The lime zest must be doing something because it just tasted light and fresh instead of overwhelming, even with a full cup of cilantro in there. I'd never infused oil before and wasn't totally sure I was doing it right, but you basically just let the jalapeno slices sit in warm oil for a few minutes and that's it. Made the whole batch and there was nothing left by the end of dinner, which never happens with coleslaw at my house. Already putting it on the list for next taco night.

  3. L
    Lauren Clark Mar 18, 2026

    Made this last week and the dressing was great, but the heat from the jalapeño was way milder than I expected. I left the slices in for about 20 minutes before pulling them out. Is there a longer soak time that works better, or would adding more slices be the move?

  4. J
    Josh Mar 14, 2026

    Subbed serranos for the jalapeño since that's what I had, and the heat is noticeably different (sharper, hits faster). Also let the dressing sit on the slaw for about 20 minutes before serving and the cabbage softened just enough without going limp. Worth filing away if you're making this ahead.

    1. Annie Lampella
      Annie Lampella Mar 18, 2026

      Serranos are sharper for sure. 20 minutes is about right - go much longer and the cabbage starts to give.

  5. R
    Riley Mar 9, 2026

    Almost skipped the jalapeno thinking it'd be too spicy. It's barely hot, just a little warmth in the back. Every store-bought coleslaw tastes flat after this.

    1. Annie Lampella
      Annie Lampella Mar 11, 2026

      That's the infusion at work. Heating the jalapeño in oil mellows the heat way down. Raw slices straight into the dressing would hit a lot harder.

  6. T
    Taylor V. Mar 7, 2026

    Never made coleslaw from scratch before, always grabbed the bagged premade stuff. Made this for taco night last week and the lime zest in the dressing completely floored me. I stood at the counter eating it before I even finished plating dinner. One question: can I make the dressing a day ahead and just toss it right before serving, or does it need a little time to marinate together?

    1. Annie Lampella
      Annie Lampella Mar 12, 2026

      Yeah, make it ahead. The lime zest and cumin need a little time to settle anyway, so overnight is actually better. Just toss right before you serve so the cabbage stays crisp.

  7. L
    Luz Mar 6, 2026

    I've made this for years with mayo and lime, so I was skeptical an oil-based dressing could hit the same way. But avocado oil with cumin and lime zest (not just juice) does something unexpected. Brighter, lighter, less cloying. My old recipe is officially on pause.

    1. Annie Lampella
      Annie Lampella Mar 8, 2026

      Zest over juice is the whole difference. Oil carries it in a way mayo can't touch.

  8. K
    Keisha Mar 1, 2026

    Took this to a spring cookout Saturday and set it down next to two other slaws someone brought. Mine was gone before either of theirs got half-empty. Not sure what I expected from a bag of coleslaw mix and some lime juice, but the jalapeno sitting in that dressing gives it this slow warmth that the other ones completely lacked. Four stars because I want to try it again with fresh shredded cabbage and see if the crunch holds up longer.

    1. Annie Lampella
      Annie Lampella Mar 6, 2026

      Fresh cabbage holds crunch way longer. Slice it thin and it won't turn to mush even after a few hours in that lime dressing. Worth the extra knife work.

  9. D
    Denise Feb 24, 2026

    This holds up for four days in the fridge if you wait to toss the dressing right before eating. Pull the jalapeno back to half if you're prepping for the week since the heat builds by day three. Good enough to keep on rotation, just needed that one tweak.

    1. Annie Lampella
      Annie Lampella Feb 25, 2026

      Keep the dressing separate and it holds fine. The jalapeño keeps releasing heat in citrus-based dressing so by day three you're getting twice the bite. Half makes sense for anything you won't eat that day.

  10. T
    Tamika Feb 19, 2026

    Made this on a Tuesday to go with chicken thighs and my youngest, who normally just pushes coleslaw to the side of her plate, was asking me what was in the dressing before she even finished her bowl. She's not a person who notices food, so that stopped me. Something about the lime and that gentle heat from the jalapeno gives it this brightness I wasn't expecting from a slaw, especially in the middle of winter. Going in the rotation for taco nights.

    1. Annie Lampella
      Annie Lampella Feb 19, 2026

      A kid asking what's in the dressing before she's even done. That's the one. The jalapeño in this reads as brightness more than heat, which is why it surprises people. Taco nights are the right home for it.

  11. C
    Courtney Feb 18, 2026

    Brought this to a potluck last weekend and two people asked for the recipe before they even finished their plate, the lime and cilantro dressing was the first thing everyone mentioned.

    1. Annie Lampella
      Annie Lampella Feb 18, 2026

      The lime zest is what gets people. Most coleslaws skip zest and just use juice but the zest is where the flavor actually lives. Glad it held up at the potluck too, it actually gets better the longer it sits.

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