Tender almond flour keto cornbread from just 8 ingredients, 2g net carbs per slice. Corn extract gives it that classic cornbread flavor, and my microwave method takes 6 minutes flat.
Cornbread was a staple growing up. My mom made it every time we had soup or chili, and I missed it for years after I started keto. I went through four or five attempts before I landed on this one, and the trick that finally worked is corn extract instead of cornmeal. Half a teaspoon gives you that familiar sweet corn taste with zero carbs.
The texture is what sold me. It’s dense, moist, and crumbly in the same way a Jiffy mix turns out, but this version has only 2g net carbs per serving compared to Jiffy’s 18g. Eight ingredients, one bowl, and you can cook it in the microwave in about 6 minutes. I pull mine at 6 minutes and let the center firm up as it cools. A gummy batch early on taught me that lesson, and one of my readers confirmed the same thing after seven or eight batches of her own.
This passed one of the toughest tests I’ve heard of. A reader’s husband did the old Southern buttermilk test (crumble cornbread into a glass, pour buttermilk over it, eat with a spoon) and it held up. Her 17-year-old granddaughter ate two slices. That’s the kind of feedback that tells me the recipe actually works, not just for people watching carbs, but for anyone at the table.
I serve this alongside chili almost every time. It soaks up some broth and I like it even better that way. It also pairs well with beef stew, white chicken chili, or any soup that needs a warm side. Slather a warm slice with butter and you won’t miss the original. One of my readers adds diced green chilies to the batter when she’s serving it with chili, and I’m trying that next batch. For a full low carb bread rotation, I keep flaky biscuits and dinner rolls on hand for the same kinds of meals.
One thing I didn’t expect: this cornbread works without the extract too. The almond flour, butter, and eggs create a base that’s already close to cornbread in texture. A reader brought it to a chili party without the extract and nobody could believe it had no cornmeal. But if you want that unmistakable corn flavor, the extract is what makes it happen.
Leftovers are just as versatile as the fresh batch. Cube the cornbread and dry it out for stuffing, or toast the cubes under the broiler for croutons. I wrap slices in plastic wrap, toss them in a freezer bag, and they keep for up to 2 months. Reheat in the microwave for 20 to 30 seconds.
KETOFOCUS FANS THINK IT’S THE BEST
“I made your keto chili and this cornbread recipe. Both were so easy to make and my family didn’t even know this cornbread was keto. It’s like eating REAL CORNBREAD!!”
➥ from YouTube subscriber @biancaf
Why corn extract works better than cornmeal
Cornmeal has about 94g net carbs per cup, so it’s off the table for keto. Corn flavor extract is the substitute that actually works. Half a teaspoon gives you that familiar sweet corn taste with zero carbs. I use this corn extract and it’s been consistent batch after batch.
For more corn flavor, try grating a tablespoon of canned baby corn into the batter before cooking. Baby corn is much lower in carbs than mature corn (about 2g net carbs per 3 oz serving), and grating it fine distributes the flavor without adding noticeable texture.
A reader discovered something I hadn’t tried: swapping 1/3 cup of the almond flour for lupin flour. Lupin flour has the same grainy texture as cornmeal, and her ratio (1 cup almond flour + 1/3 cup lupin) gave the cornbread the look, taste, and color of the original. None of the top cornbread recipes I’ve seen mention lupin flour, and I’m adding it to my testing list.
Ways I change it up
Spicy cornbread
I add 1/4 teaspoon cayenne pepper and 1/2 teaspoon blackened seasoning to the batter. The heat is mild enough that it won’t overwhelm the corn flavor but adds a noticeable kick. I’m kind of mad I made this optional in the recipe card because the blackened seasoning with the corn extract is something else. For more heat, fold in a tablespoon of minced pickled jalapenos.
Cheesy cornbread
I stir 1/4 cup of shredded sharp cheddar into the batter before cooking. The cheese melts into pockets throughout the bread. You can also sprinkle grated cheddar on top during the last minute of cooking for a crispy golden cheese crust.
Sweet honey cornbread
I drizzle 1 to 2 tablespoons of sugar free honey into the batter before cooking. After slicing, top each piece with butter and another drizzle of honey. This version tastes closest to the sweet cornbread batter I use for corn dogs.
How I make cornbread muffins
This same batter works for muffins. I pour it into a lined muffin tin instead of the 8×8 dish and bake at 350 degrees for 8 to 10 minutes. The batter makes about 9 standard muffins.
Muffins cook faster because of the smaller portion size. They’re done when the tops are set and a toothpick comes out clean. I let them cool in the tin for 5 minutes before removing.
Cornbread muffins are easier to portion and store. They pair well with chili since you can grab one and crumble it on top. For a breakfast spin, I split a muffin in half and make a sausage and egg sandwich with it. If you want a dedicated sandwich bread, my 90 second bread works better for that.
What I do with leftover cornbread
Make cornbread stuffing for Thanksgiving or any comfort food meal. I cube the cornbread, dry it out slightly in the oven, and toss with sauteed onion, celery, and broth.
Toast cornbread croutons by cubing leftovers and broiling on a sheet pan for 2 to 3 minutes per side until golden and crunchy. I toss these on salads and soups.
Use it as breading for meatloaf, meatballs, or chicken cutlets. I crumble dried cornbread in a food processor to make bread crumbs.
Freeze for later. I wrap slices tightly in plastic wrap, store in a freezer bag, and they keep for up to 2 months. Reheat in the microwave for 20 to 30 seconds.
Other breads I reach for
If you’re building out your bread rotation, these are the recipes I make most:
Keto Bread (sandwich loaf made with almond flour and psyllium husk)
Keto Tortillas (I use these for breakfast burritos and wraps)
How to make keto cornbread
One bowl, eight ingredients. I melt the butter first, whisk in the eggs, then stir in the almond flour, baking powder, salt, and corn extract. The blackened seasoning and cayenne pepper are optional, and I add both when I want the spicy version. Pour the batter into a greased 8×8 baking dish.
For the fastest version, microwave on high for about 6 minutes. I pull mine right at 6 and let it sit. The center looks underdone but it firms up as it cools, and that’s what you want. Every microwave is different, so start checking at 5 minutes. If the center still wobbles when you shake the dish, give it another minute.
If you prefer the oven, bake at 350 degrees for about 14 minutes. The top should be set and lightly golden. Let it cool for a few minutes before slicing (cutting too early means crumbly slices, I’ve done it).
Add all ingredients to a medium bowl and mix until combined.
2
Pour into dish
Pour into a greased, square 8×8 baking dish.
3
Microwave or oven
Microwave for 6-8 minutes (depending on your microwave) until the bread is set and not wobbly in the center. Or bake in a 350 degree oven for 14 minutes or until cornbread has risen and not wobbly in the center.
Nutrition
Per serving: 1 square
Calories
240
Fat
23.2g
Protein
6.5g
Total carbs
3.8g
Net carbs
2g
Nutrition is an estimate calculated from the ingredients listed. Brands vary, so check labels if you track closely.
Frequently Asked Questions
How many carbs are in keto cornbread?
I cut the 8x8 pan into 9 pieces, and each one has 2g net carbs. For comparison, one piece from a Jiffy box has about 18g net carbs. I've tracked this across multiple batches and the count holds steady as long as you stick to the recipe.
Does this recipe use cornmeal?
No. Cornmeal has about 94g total carbs per cup, so it's not an option for low carb baking. I use corn flavor extract instead. Half a teaspoon gives you the sweet corn taste with zero carbs. The almond flour base mimics the grainy texture, and the extract handles the flavor.
Can I use a cast iron skillet?
I haven't tested this in cast iron yet, but the batter would work fine. Grease the skillet well with butter and bake at 350 degrees, checking around 14 minutes. Cast iron will give you crispier edges than the glass 8x8 dish I normally use, which I think would actually be a plus with this recipe.
Can I make this in the oven instead of the microwave?
Yes. I bake at 350 degrees for about 14 minutes until the top is set and starting to turn golden. Both methods give you the same cornbread, the oven just takes a few minutes longer. I use the microwave most of the time because it finishes at the same time as my chili.
Can I make this dairy-free with coconut oil?
I haven't done a full side-by-side test, but coconut oil should work as a 1:1 swap for the butter. You'll lose some of that buttery richness, so I'd add a pinch more salt to compensate. Melted ghee is another option if you're avoiding regular butter but not all dairy.
What is corn flavor extract and where do I buy it?
Corn extract is a concentrated flavoring that tastes like sweet corn. I buy mine on Amazon (the brand I use is linked in the recipe) and a single bottle lasts me months since I only need half a teaspoon per batch. Some brands are stronger than others, so start with 1/2 teaspoon and bump to a full teaspoon if yours is subtle.
How do I store leftover cornbread?
I keep mine in an airtight container at room temperature for up to 2 days or in the fridge for up to 5 days. For longer storage, I wrap individual slices in plastic wrap and freeze in a zip-top bag for up to 2 months. Reheat in the microwave for 20 to 30 seconds and the texture comes back.
Why does my cornbread taste eggy?
The corn extract is what masks the egg flavor. If I skip it or use too little, the eggs take over. I use a full 1/2 teaspoon and that's the sweet spot for most brands. If yours is on the mild side, bump to a full teaspoon. Adding 1 to 2 tablespoons of sugar free honey also helps balance out any egg taste.
Can you eat cornbread on the keto diet?
Traditional cornbread is out because cornmeal has about 94g net carbs per cup. My keto version swaps cornmeal for almond flour and corn extract, so each square has 2g net carbs. I cook it in the microwave in 6 minutes and serve it with chili.
What is a keto substitute for cornmeal?
I use 1/2 teaspoon of corn flavor extract in place of cornmeal. Almond flour gives the crumb its grainy texture, and the extract brings the sweet corn flavor with zero carbs. One reader also swaps 1/3 cup of the almond flour for lupin flour to get even closer to the cornmeal texture.
Confession: I spent three batches thinking I was doing it right before I tried browning the butter, and now the plain melted version tastes incomplete. The brown butter adds a toasted edge under the corn extract instead of competing with it — the corn flavor actually comes through as its own thing rather than just floating over almond flour. Also switched to a round 9-inch dish instead of the 8×8: thinner layer, sets more evenly in the center, no more guessing the timing. Base takes 6 minutes, browning adds 4. At some point I stopped counting batches, probably the truest sign it works.
Making this Saturday for 18 people, so I’m thinking 3-4 batches. Do I just multiply everything straight or does the baking powder need adjusting at scale? Leavening can get weird in large quantities. Really can’t afford flat cornbread in front of a crowd. I only have one 8×8 dish so it’ll be back-to-back rounds in the microwave, does cook time stay the same each batch, or does the pan need to cool between them? First keto thing I’m bringing to this group and I need it to actually work.
Kendra, since you’re microwaving one dish at a time, mix each batch separately and nothing needs adjusting. Same 6 to 8 minutes each round. I’d cool the dish a minute between so the butter isn’t melting early.
I used to make cast iron skillet cornbread every chili night and wrote it off when I went low carb. The corn extract is what changed my mind. Half a teaspoon and the flavor lands where it’s supposed to, not almond flour making do. Check yours at five minutes if your microwave runs hot — mine was fully set by then and would’ve overdone at six. The texture is denser than what I grew up with but the corn flavor is real. Made this twice in two weeks already.
I was new to almond flour and kept skipping this one. Microwaving bread felt wrong until it didn’t. Four minutes to prep, six in the microwave, and it came out clean. Never bought corn extract before, turns out it’s the whole flavor. Skipped the cayenne the first time. Mistake. It needs heat.
If you’re on the fence about corn extract, just buy it. Every other keto cornbread I’ve made was fighting the almond flour taste the whole time. This one isn’t. The extract covers the nuttiness, that’s what makes most almond flour breads give themselves away. Six minutes in the microwave and it came out with this even, light crumb I haven’t hit with any other recipe. This is the version I’m keeping.
Made this Sunday because it was too hot to turn on the oven. My son grabbed a piece before I could even cut it right and told me it tasted like the cornbread from his grandma’s chili nights. He has no idea what corn extract is and honestly neither did I before this.
Went in skeptical that corn extract would actually taste like corn. It mostly works. Took a couple tries to nail the microwave timing, but the flavor landed closer than I expected.
Added both cayenne and blackened seasoning on a whim, and now I’m annoyed I didn’t do it sooner. The heat sneaks up on you and somehow makes the corn flavor hit harder.
Added shredded cheddar to mine and it melts into these crispy little pools on the edges. Did not expect that to happen in a microwave but here we are. Double batch next time for sure.
I’ve been adding this to Sunday meal prep for a few weeks. Batching is easy in the microwave, and individual slices reheat in about 45 seconds without going rubbery. The corn extract is the thing, honestly. It actually tastes like cornbread, not just buttered almond flour. Four stars, not five. Crumbles more than I’d like when cutting into squares, but it holds up better through the week than most keto bread I’ve tried.
Couldn’t figure out how corn extract would actually taste like cornbread, so I almost skipped it. Don’t skip it. The flavor is spot-on and I’ve tried four other keto cornbread recipes that couldn’t get anywhere close.
Added an extra splash of corn extract (went to about 3/4 teaspoon) and the flavor got noticeably closer to the real thing. Let it sit five minutes after the microwave before cutting, and it held together way better than my first attempt. If you’re on the fence about the blackened seasoning, use it. The heat is subtle but it rounds out the sweetness. Doesn’t taste like a workaround.
The five minute rest is the part I want to steal. I’ve cut into it hot before and watched it crumble, so that makes sense to me. And you’re right about the blackened seasoning. I’m kind of mad I left it optional in the recipe card. Three quarters of a teaspoon is more extract than I use, but if it got you closer to real cornbread, go with it.
My husband kept asking what I put in it to make it taste like actual cornbread. I had to point him to the ingredient list. Knocked off a star because my first attempt came out a little wet in the middle, but I’ve got the microwave timing down now.
Can’t find corn extract anywhere (hit 3 stores). If I skip it will it just taste like regular almond flour bread? Is there a substitute that actually gets that cornbread flavor?
Skip it and it’s just almond flour bread. No real substitute for corn flavor that I’ve ever found. Amazon is your best bet – the link’s in the recipe. Half a teaspoon per batch, one bottle goes forever.
