Keto Greens Beans and Bacon in a Skillet
Published November 8, 2020 • Updated March 13, 2026
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This keto green beans and bacon recipe is all about cooking the beans directly in the bacon grease so every single one picks up that smoky, salty coating.
I started making this skillet side dish because I wanted something fast that my family would actually eat without negotiating. Green beans cooked in bacon grease taste nothing like steamed green beans, and that’s the whole point. The fat coats every bean, the garlic blooms in the rendered drippings, and the whole thing comes together in one pan with zero fuss.
The technique is simple but the details matter. I fry thick-cut bacon first, pull it out, then cook the beans right in that same skillet with the grease still hot. Onion and garlic go in at the same time. I’ve learned to push the garlic just past soft, almost to golden, before adding the beans. That extra minute changes the flavor completely. I used to pull it early, but after accidentally letting it go further I realized the deeper, nuttier garlic is better here. If you’re using a cast iron skillet, crank the heat a little past medium high. The beans pick up char spots you can’t get from nonstick, and the bacon grease pushes a deeper smokiness into everything.
One thing I want to be honest about: 1.5 tablespoons of garlic is the ceiling for this recipe. I tried bumping it up early on thinking more would be better, and it muddied the other flavors. Stick with what the recipe calls for and add red pepper flakes if you want more punch.
This is one of those low carb side dishes that pairs with practically anything. I serve it next to bacon wrapped chicken tenders on weeknights, or alongside grilled vegetables when I’m doing a full spread. If you’re already a fan of cooking with bacon drippings, try my bacon wrapped Brussels sprouts or bacon wrapped asparagus kebabs for the same idea with different vegetables.
For the bacon itself, I go thick-cut every time. Thin bacon renders too fast and doesn’t give you enough grease to properly coat a full pound of beans. And if you want even more control, try cooking the bacon in the oven at 400 degrees for about 18 minutes. You get more even grease collection, and you can pour exactly as much back into the skillet as you need. I picked that up from a reader and now I do it whenever I’m making a double batch.
How to make green beans with bacon in a skillet
The key to this low carb skillet side is letting the bacon do double duty. Fry it first, pull it out, then cook everything else in the rendered fat. Don’t rush the onion. Give it an extra 4-5 minutes over medium heat before adding the beans and you’ll get a deeper, almost sweet base underneath the garlic and smoke. I keep the garlic at 1.5 tablespoons and let it go just past soft to golden before the beans go in. If you have a cast iron skillet, use it. The higher heat tolerance gives you char spots on the beans that nonstick can’t replicate. For the crispiest results, don’t crowd the pan. One pound of beans in a 12-inch skillet is the sweet spot.
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Ingredients
1 package thick cut bacon -
1 pound fresh green beans, trimmed
-
1/2 cup chopped onion
-
1 1/2 tablespoons minced garlic
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2 teaspoons salt
Step by Step Instructions
Step by Step Instructions
Fry bacon
In a skillet, fry bacon until crispy over medium high heat. Remove from skillet and break or cut into crumbles. Set aside.
Cook the beans
Leaving the bacon grease in the skillet, add green beans, onion, garlic and salt. Cook on medium heat until green beans are tender.
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
Are green beans keto-friendly? How many net carbs per serving?
I use green beans constantly on keto because they're one of the lowest-carb vegetables I can find that still has real texture. A full cup of raw green beans runs about 4g net carbs after fiber, so a generous serving of this recipe lands around 5-6g net carbs depending on how much bacon you pile on. That's well within my daily targets and I never feel like I'm restricting when I eat them.
Can I use frozen or canned green beans instead of fresh?
I've tested both. Frozen works if you thaw and drain them completely first. Pat them dry with a towel or you'll end up steaming instead of sauteing, and the whole point is getting that crispy contact with the bacon grease. Canned green beans are already soft, so they won't hold up to the skillet heat the same way. If canned is all you have, drain and rinse them and cut your cook time way down.
Can I make this in a slow cooker or crock pot?
I've done a slow cooker version with chicken broth, and the beans come out fall-apart tender in about 4 hours on low. It's a completely different dish though. You lose the crispy char and the bacon gets soft instead of crunchy. When I want that Southern-style green bean texture, I go slow cooker. When I want the version my family actually fights over, I stick with the skillet.
How do I reheat leftovers without making the beans soggy?
I reheat mine in the skillet with just a small splash of water. The steam loosens everything up without drowning it, and the beans re-crisp on the hot pan surface. The microwave works in a pinch but the texture goes soft and you lose that bacon grease coating. I usually make extra specifically because the skillet reheat is almost as good as fresh.
Can I make this ahead of time for meal prep or the holidays?
I batch this every Sunday for weekday lunches. Cook the full recipe, portion into containers, and it holds in the fridge for 3-4 days. The bacon stays flavorful even after sitting. For Thanksgiving or Christmas, I prep the beans (trimmed and dried) and fry the bacon the night before, then just toss them together in the skillet 15 minutes before serving. That way I'm not competing for stovetop space during the main event.
Can I use turkey bacon instead of regular bacon?
I've tried it. Turkey bacon crisps up fine but it renders almost no grease, which means the beans are basically dry-sauteing. If you go that route, add a tablespoon of butter or avocado oil to the skillet so the beans still get that fat coating. The flavor is lighter and less smoky, but it works if pork isn't your thing.
What keto mains go well with this side dish?
I pair this with just about everything. It's my go-to next to bacon wrapped chicken tenders on weeknights and next to bacon wrapped Brussels sprouts kebabs when I'm grilling. It also works alongside cauliflower fried rice if you want a full plate without the carbs. Basically anything that doesn't already have bacon in it.
To get crispy, flavorful green beans, you need to cook them in a skillet with bacon! A favorite low carb side dish among many, these green beans and bacon pair well with most dinner options. And the addition of bacon means the kids will eat it up!
This easy side dish comes together quickly and takes little effort to prepare, especially if you buy trimmed green beans at the grocery store. It’s the ideal side for busy nights. But it’s loaded with fresh flavors so it makes an excellent pairing to any holiday table like Christmas or Thanksgiving when you want a variation from the traditional 
Made this as a side for Sunday dinner and my 10-year-old (who treats vegetables like they're personally offensive) went for the green beans before the bacon. I genuinely did not see that coming. Cooking them in the bacon grease makes them so tender and smoky that they stop tasting like something you have to eat. I'm making a double batch this weekend.
Ha. Before the bacon is the only review that matters. Double batch reheats really well in the skillet with just a splash of water.
Swapped the onion for shallots and then panicked at the end and squeezed half a lemon over the whole thing right before serving because I thought I'd overdone the garlic. Completely saved it and then some. The whole dish got this bright lift that makes the bacon flavor pop instead of just sitting there heavy and greasy. I've made the original too but I don't think I'm going back.
Threw some red pepper flakes in with the garlic and onion and it just works with the bacon grease in a way I wasn't expecting. Cuts through the richness without taking over. Been making this for a few weeks and that's now a permanent part of how I do it. One other thing worth mentioning: if you let the onion get a little more color before adding the beans (I'm talking an extra 4 or 5 minutes over medium, not rushing it), you get this deeper, almost sweet base underneath everything. The garlic is right where it needs to be at 1.5 tablespoons by the way. I kept bumping it up early on thinking more was better, and it actually muddied the flavor. Stick to what the recipe says and add heat if you want a little edge.
Used my Lodge cast iron and cranked the heat past medium high. The beans pick up char spots you can't get from a nonstick, and the texture lands somewhere between tender and blistered in a way that doesn't happen if you play it safe. Bacon grease nearly smokes at that heat, which sounds alarming, but it pushes a deeper smokiness into the beans than I expected the first time. I also pushed the garlic an extra minute past what the recipe says, until golden rather than just soft, and the flavor genuinely improves from that one change. Four stars because the full 2 teaspoons of salt hit hard for me. I back it to 1 teaspoon and adjust at the table. At that point it's one of the better keto vegetable sides I've made.
The garlic-to-golden thing is real. I usually stop just before that point but I've had it go further accidentally and yeah, it's better. Going to start doing that on purpose. And fair on the salt , thick-cut bacon already brings a lot, so 1 teaspoon if yours runs salty makes sense.
Figured it would hold up intentionally too. That window between golden and burnt is narrow, so it takes some watching, but the flavor difference is worth it.
Making a double batch every Sunday now. Wasn't sure about leaving the bacon grease in the skillet for the beans, but it carries way more flavor than I expected. Reheats great with just a splash of water. Four lunches, done.
Pro tip: if you cook the bacon in the oven instead (400°F for about 18 minutes), you get way more even grease in the pan and the beans cook better. I also throw in a splash of the bacon grease I drain off if the skillet looks dry. The onions get this nice caramelized edge that way.
Oven bacon for a skillet recipe is a move I don't see people try enough. The caramelized onion thing makes sense too, more consistent heat under everything. Stealing the grease-back trick.