Keto Butter Fried Chicken Hearts
Published July 20, 2019 • Updated March 10, 2026
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I put off cooking chicken hearts for years. They sounded weird, and I figured they’d be tough or gamey. Then I tried them in brown butter, and I felt silly for waiting so long. These cook in about 2 minutes, the brown butter does most of the work flavor-wise, and they come out tender with a slight chew that’s actually satisfying.
The trick is the butter. You want it past melted, past foamy, all the way to golden brown with a nutty smell before the hearts go in. That browned butter coats every surface and gives them a richness that plain oil or ghee can’t match. If you’ve made my keto butter board, you already know how much flavor browned butter adds to everything it touches.
Finding them is easier than you’d think. I buy mine from the butcher counter at my regular grocery store, but I’ve also grabbed them from Asian markets and the frozen section at Walmart. Fresh from a butcher tend to be cleaner (less trimming), but frozen work just as well once you thaw them in the fridge overnight. Either way, they cost almost nothing compared to other cuts.
I serve these as a keto appetizer most of the time. At only 1g net carbs per serving, they fit into whatever I’m eating that day without a second thought. They’re great next to pork belly bites on a snack plate, or I’ll pile them on a charcuterie board when we have people over. My husband eats them straight from the skillet with a toothpick while I’m still cooking. They also work as a protein-heavy side next to bacon wrapped brussel sprouts if you want a full meal. If you’re eating carnivore, these fit right in with zero debate.
Organ meats have a reputation problem, and I get it. People hear “hearts” and picture something scary. But these are tiny, mild, and closer to dark meat than anything exotic. Packed with iron, zinc, B12, and CoQ10, they fit into a low carb eating plan without any macro gymnastics. If you eat homemade pork rinds or beef jerky as snacks, these are in the same category of “sounds unusual but tastes completely normal.”
Reader Carrie left a comment that got me thinking: she mentioned mixing cooked hearts into ground beef for burgers. I tried it, and it works. You chop them up after cooking, fold them into the beef, and you get an iron boost without changing the taste at all. My family didn’t even notice.
The most important thing I can tell you about this recipe: do not overcook them. Two minutes. That’s it. They should still be slightly pink in the center, almost like a medium steak. If you cook them past that, they turn rubbery and chewy in a bad way. I learned this the hard way the first time I made them and left them in the pan for five minutes.
How to Make Butter Fried Chicken Hearts
Start with cleaning. I rinse the hearts under cold water, then trim off any connective tissue or fat cap at the top. Some people soak them in vinegar or lemon water first. I’ve tried both ways and couldn’t taste a difference, so I skip the soak. One thing I do now, thanks to reader Keisha: pat them completely dry before they go in the pan. The brown butter crisps up better without extra moisture competing.
If your hearts are on the larger side, slice them in half. This does two things: it helps them cook more evenly in 2 minutes, and it stops them from popping and spitting in the hot butter. The popping happens when moisture gets trapped inside a whole heart and turns to steam. Halving them lets that steam escape.
Should you boil them first? I don’t. Some recipes call for parboiling for 10 minutes before frying, but I’ve tested both approaches and the pre-boiled version loses that tender, slightly pink center that makes these good. You end up with something closer to a tough little meatball. If you want crispy, golden hearts with actual texture, go straight into the brown butter.
For the butter, use a small cast-iron skillet and let it get to medium-high heat. Drop the butter in and watch it. It’ll foam, then the foam settles, and you’ll see the milk solids turning golden on the bottom. When you smell something nutty, that’s your cue. Hearts go in, toss them around for 2 minutes, and you’re done. If you like this kind of quick skillet cooking, try my garlic parmesan wings or stuffed mushrooms next.
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Ingredients
1 lb chicken hearts (connective tissue around the heart removed) -
3 tablespoons butter
Step by Step Instructions
Step by Step Instructions
Heat it
Heat a small cast-iron skillet over medium-high heat. Add the butter and cook until melted, browned, and has a nutty aroma.
Cook it
Add the chicken hearts and toss them in the skillet to make sure all sides cook evenly. DO NOT OVERCOOK THEM. Cook for no more than 2 minutes.
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
Should I boil them before frying?
I don't, and I've tested both ways. Pre-boiling for 10 minutes makes them tougher and you lose that tender, slightly pink center. I go straight into brown butter and cook for 2 minutes. The texture difference is night and day, and for me, the skillet-only method wins every time.
Why are they popping or spitting in the pan?
That happens when moisture gets trapped inside and turns to steam in the hot butter. I fix this by slicing larger hearts in half before they go in the skillet. It lets the steam escape and they cook more evenly too. Patting them dry beforehand (a tip from reader Keisha) also cuts down on the spitting.
Can I use a different type of fat instead of butter?
I've made these with ghee and coconut oil when I wanted dairy-free. Both work, but you lose the browned butter flavor that makes this recipe special. Ghee gets you closest since it's still butter-based. If dairy isn't an issue, I'd stick with regular butter.
How should I store leftovers?
I keep them in a sealed container in the fridge for up to 3 days. When I reheat, I use a skillet over low heat, not the microwave. The skillet keeps them tender and you can toss in a little extra butter to freshen them up.
Where can I buy chicken hearts?
I get mine from the butcher counter at my regular grocery store, but they're also easy to find at Asian markets, Mexican grocers, and in the frozen poultry section at Walmart and Kroger. Fresh from a butcher usually need less trimming. Frozen are just as good once you thaw them overnight in the fridge. They're one of the most affordable low carb proteins I buy.
Do chicken hearts taste gamey?
Not at all. That's what kept me from trying them for years, and I was wrong. The flavor is closer to dark meat chicken than anything exotic. The brown butter adds a nutty, rich coating that makes them taste almost like the best bite of a roasted thigh. I've served these to people without telling them what they were, and nobody guessed organ meat.
Can I make these on a carnivore diet?
They fit perfectly into keto or carnivore. Just hearts and butter, that's it. No breading, no fillers, nothing plant-based. They're also loaded with iron, zinc, B12, and CoQ10, which matters when you're eating only animal products. I make a double batch sometimes and eat them as a snack between meals.
Can I cook them in an air fryer?
I've tried it at 400F for about 6 minutes and they come out decent, but you miss the brown butter coating that makes this version so good. If you do air fry them, toss them in melted butter first. I still prefer the skillet because it's faster and the butter flavor is better. For air fryer recipes I do love, try my air fryer wings.
Organ meats, also called offal, are often an overlooked food because they sound unappealing to many; however, they are delicious if prepared correctly and are loaded with nutrition. Chicken hearts contain many B vitamins, iron, zinc and selenium. They are ideal for someone eating a keto carnivore diet where vegetable consumption is limited.
Confession: I've been walking past chicken hearts at the butcher counter for two years, always defaulting to thighs. Five minutes finally broke my resistance. Brown butter foaming hot in the cast iron, a quick toss, and they came out with this browned crust I genuinely didn't expect. Inside stayed tender without any fussing. Already ordered a second pound.
Trying to work organ meats into my rotation and this one looks way less scary than I expected. I do all my prep on Sundays, so I'm wondering if these hold up a few days in the fridge. Reheated organ meats have gone rubbery on me before. No idea if that's a storage thing or just how they are. Five minutes is fast enough to do night-of, but not on a Tuesday when I'm tired. If you've stored these, do you reheat in the cast iron or just microwave? And can the connective tissue trimming be done on prep day so weeknight cooking is just butter and hearts in the skillet?
Cayenne in the brown butter, batch four. That's the one.
Cast iron preheated, Kerrygold in, hearts follow thirty seconds later. Somewhere around batch eight I stopped treating this as a novelty and started using it the same way I use eggs. 17 grams of protein in five minutes and the only real prep is trimming, which gets faster each time. I always assumed organ meat was a project. This one keeps proving me wrong.
Gizzards were my intro to organ meat but half the time you're still fighting for tenderness after an hour. Hearts are done in two minutes and actually have bite. No contest.
Gizzards need that hour. Hearts are a completely different muscle structure, closer to a steak than a braising cut. Two minutes is not a typo.
That steak comparison actually clicked for me. I've probably been pulling them too early.
I've tried chicken hearts twice before and both times wrote them off as too chewy. Made these in the cast-iron with brown butter and they're a completely different thing, tender with these little crispy edges I wasn't expecting at all. Four stars because I'm still processing the fact that I actually like organ meat now.
Tried these with ghee since I was down to my last knob of butter, and the browning nuttiness is something else. Also patted the hearts dry first (paper towels, about a minute). Made a big difference in how fast they crisped. Mine were ready closer to 3 minutes, so if your cast iron's already ripping hot, watch them. Didn't want the oven on in this heat, and the whole thing was done before the pan hit five minutes.
Ghee's already got that nuttiness built in before it even hits the pan, so I get it. Three minutes tracks if your cast iron's ripping hot. I always start checking at two just in case.
If you're going to make these, pat the hearts completely dry before they hit the pan. I mean paper towels, press firmly, let them sit a minute. Wet protein in a cast iron is a one-way ticket to steaming instead of searing, and chicken hearts hold enough moisture that it matters here. The difference in crust when I started doing this was freaking noticeable. Butter stops just coating them and actually builds something, that nutty browned edge you want. Also learned the hard way not to move them for the first 60 seconds or so. They'll release when they're ready. These take maybe 4 minutes start to finish and I've been making them every week since figuring that part out.
Dry hearts in properly browned butter is really where the crust comes from. I slice the bigger ones in half for the same reason - moisture has to go somewhere or it just steams off. Both steps together and the texture is a completely different thing.
Never thought I'd be buying chicken hearts at the grocery store, and yet here I am on batch four. The brown butter smell when it hits the cast iron gets me every time. Done so fast I double-checked the recipe convinced I missed a step. This went into rotation immediately.
I still check the recipe sometimes too. Two minutes sounds made up but that's all it takes.
Brought these to a spring cookout without saying what they were. Friends were grabbing from the plate before anyone thought to ask, and when I finally said 'chicken hearts' half of them stopped mid-bite. Plate was still empty by the end. The brown butter caramelizes on cast iron in a way you just can't replicate in a regular pan. Four stars because I wish the recipe mentioned patting them dry first (mine spit pretty intensely off the jump).
That reveal moment is always fun. And yeah, patting dry is something I do and just never wrote down. Slicing the bigger ones in half helps too (more surface area, less trapped steam).
Threw a smashed garlic clove in with the butter while it was browning and the hearts picked it right up. Two minutes and they tasted like I'd actually seasoned them.
Smashed garlic in the brown butter. Yeah, the hearts absorb fast, so whatever's in that fat comes through. I've done it with fresh thyme but garlic makes more sense here.
These taste exactly like my grandmother's. I hadn't had chicken hearts in three years of keto and I was genuinely not prepared for that.
Three years is a long time to miss something. Brown butter on organ meat just has that home cooking quality that's hard to fake.
My son smelled the brown butter from upstairs and was in the kitchen asking what I was making before the hearts had even finished cooking.
That smell travels. Can't keep my kids out of the kitchen once the butter starts browning either.
Tried a bunch of organ meat recipes and most need heavy seasoning just to get through the flavor. These are different. The brown butter takes the edge off without masking anything.
Yeah, the browning is doing most of the work. Pale butter won't get you there.
I've been keto for two years and always assumed organ meats were an acquired taste I hadn't gotten around to acquiring yet. Made these last week because I had a pound of chicken hearts in the freezer and figured it was time. The brown butter does something unexpected to the flavor (rounds it out, almost nutty), and whatever I thought I was bracing for never showed up. Really glad I stopped skipping past this one.
Two years is about average for getting here. Brown butter is most of the flavor.