Keto Chicken Casserole
Published November 22, 2021 • Updated February 25, 2026
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This keto chicken casserole is one I make at least twice a month. Creamy chicken and broccoli over cauliflower rice, topped with my pork panko crumb mixture that bakes up golden and crunchy.
I started making this keto chicken casserole back in 2019, and it has been in my regular dinner rotation ever since. The reason is simple: the pork panko crumb topping. I grind up pork rinds, mix them with parmesan and melted butter, and spread that over the top before baking. It crisps up golden and gives you that breadcrumb texture most casseroles never deliver. One of my readers, Morgan, described it perfectly: ‘That crunch against the creamy chicken underneath stopped me mid-bite.’ That is exactly right.
I use chicken thighs instead of breast here, and that’s intentional. Thighs hold up in a casserole. They stay juicy through the bake instead of drying out at the edges. The other thing I figured out after testing this multiple times: sharp cheddar at the full 8 oz makes a real difference. It adds enough flavor to actively disguise the cauliflower rice underneath. If you have cauliflower skeptics at your table, this is the recipe that converts them. I’ve had family members eat an entire serving and not realize there was cauliflower in it until I told them.
The base is cauliflower rice, broccoli florets, cream cheese, and that sharp cheddar, all stirred together in one pot on the stove. I cook the diced chicken first, then build everything in the same pot. Transfer to a baking dish, pile on the pork panko crumbs, and 15 minutes at 400 degrees finishes it. Start to finish, I have this on the table in about 30 minutes. If you like cheesy one-pot dinners like this, try my Boursin chicken or chicken divan.
This is one of those low carb meals that works on a Tuesday night and also holds up when you’re cooking for company. I’ve served it at family dinners and brought it to a potluck. Nobody questioned a thing. The sharp cheddar and pork panko do the heavy lifting on flavor and texture. For more casserole ideas, my Philly cheesesteak casserole and taco casserole are both crowd favorites.
One thing I love about this recipe is how well it freezes. My reader Leslie pulled leftovers out of the freezer weeks later and said the broccoli was still crisp-tender. I freeze mine in individual portions for fast lunches. The pork panko topping softens a little after freezing, so I sometimes add a fresh sprinkle and pop it under the broiler for a minute before serving. If you want to meal prep a few dinners at once, pair this with Italian chicken and rice. Just as simple and reheats well.
Tips for the Best Results
For an extra-crispy topping, run the assembled casserole under the broiler for 2-3 minutes right after baking. Watch it the entire time because pork panko goes from golden to burned fast. I spread the crumb mixture evenly so there are no bare spots where the filling peeks through.
The other tip I always give: season the chicken aggressively. Garlic powder, smoked paprika, extra salt, right on the diced thighs before they go in the pot. It makes a noticeable difference in the finished dish. If you hate extra dishes, you can also build this in a dutch oven. Cook the filling on the stove, add the crumb topping, and transfer the whole pot to the oven. My reader Allison figured that method out and I’ve been doing it her way ever since.
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Keto Breadcrumb Topping Ingredients
1/2 cup pork panko -
1/2 cup grated parmesan cheese
-
4 tablespoons butter, melted
-
1 clove garlic, minced (optional)
Keto Chicken Broccoli Casserole Ingredients
-
1.25 pounds broccoli florets
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2 tablespoons butter
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2 pounds skinless, boneless chicken thighs, diced
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1/2 cup diced yellow onion
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2 teaspoons salt
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3 cups cauliflower rice
-
2 oz cream cheese
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4-8 oz sharp cheddar cheese, shredded
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1/8 teaspoon cayenne pepper
Step by Step Instructions
Step by Step Instructions
Preheat oven
Preheat oven to 400 degrees and grease a casserole dish with cooking spray.
Prepare keto breadcrumbs
In a small bowl, combine pork panko, grated parmesan cheese, melted butter and garlic. Set aside.
- Pork panko
- Parmesan cheese (grated)
- Butter (melted)
- Garlic
Steam broccoli
Add broccoli to a microwave safe bowl. Add 2 tablespoons of water and cover with plastic wrap. Microwave 2-4 minutes until fork tender. Drain excess water. Set aside uncovered to dry out.
- Broccoli
Cook chicken
In a large pot, melt butter over medium-high heat. Add chicken and cook until cooked through. Stir in onion and salt. Cook until onion is softened. Stir in cauliflower rice, cream cheese, shredded cheddar cheese and pepper. Add back in broccoli. Stir to combine.
- Chicken thighs
- Onion
- Salt
- Cauliflower rice
- Cream cheese
- Cheddar cheese (shredded)
- Cayenne pepper
Assemble casserole & bake
Add cheesy, chicken broccoli mixture to prepared casserole dish. Top with keto breadcrumb topping. Bake at 400 degrees for 15 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
How many net carbs are in a serving?
I keep the macros on this one really reasonable. Check the recipe card below for the exact per-serving breakdown. The cauliflower rice and broccoli form the base, so most of the carbs come from the vegetables and cheese. I use the full 8 oz of cheddar and it still fits easily into my daily targets.
Can I make this in a slow cooker or Instant Pot?
I've only tested this recipe in the oven, and that's what I recommend. The pork panko topping needs dry heat to crisp up, and you won't get that in a slow cooker or pressure cooker. What you can do is cook the chicken filling in either appliance, then transfer it to a baking dish, add the crumb topping, and finish in the oven for 15 minutes. I've done it that way when I wanted to prep the filling ahead of time, and it works.
How do I prevent the casserole from getting watery?
This almost always comes down to the broccoli. I steam mine and then let it sit uncovered on the counter for a few minutes while I cook the chicken. That resting time lets the excess moisture evaporate. If you're using frozen broccoli, thaw it and squeeze it dry in a clean kitchen towel before adding it. I've also patted cauliflower rice with paper towels when it seemed too wet. Taking an extra minute here makes a noticeable difference in the final texture.
Can I use all cauliflower instead of broccoli?
I've done this when I had extra cauliflower on hand and no broccoli. It works. The texture is a little more uniform since everything blends together, and you lose the green contrast, but the flavor holds up. My reader Allison actually used cauliflower florets in place of broccoli and liked it. If you go this route, I'd still drain the cauliflower well to avoid a soupy filling.
What's the best way to get the topping extra crispy?
My trick is running the casserole under the broiler for 2-3 minutes after the initial 15-minute bake. Watch it the entire time because pork panko goes from golden to burned fast. I also make sure the crumb mixture is spread evenly across the top so there are no bare spots. One of my readers, Allison, suggested the broiler finish in the comments, and I've been doing it that way ever since.
What can I substitute for pork panko?
If you can't find pork panko, crushed pork rinds are the closest swap. Just pulse them in a food processor until they look like breadcrumbs. Almond flour mixed with melted butter and parmesan works too, but the crunch is softer. My reader Susan uses hemp hearts instead and says it gives the topping a slightly nutty flavor. I've tried her version and she's right, it's a solid alternative.
Can I make this dairy-free?
I haven't personally tested a fully dairy-free version, so I want to be upfront about that. In theory, you could use dairy-free cream cheese and a plant-based shredded cheese. The pork panko topping is already dairy-free minus the butter and parmesan (swap those for dairy-free alternatives). My concern is the meltability of dairy-free cheese, which can affect the texture of the filling. If you try it, I'd love to hear how it turns out.
Confession: most chicken casseroles I've made over the years, keto or not, taste like the filling was an afterthought. Not this one. The parmesan in the crumb keeps the topping from going soft under the cream, which is where most of these fall apart. Can't do that with the filling alone. I added the optional garlic and I'm pretty sure that's what made it taste like an actual dish instead of ingredients thrown together. Ratio felt right too, two pounds of thighs to three cups of cauli rice, nothing drowning anything. Four stars because it needs more salt than listed, but that's a thirty-second fix.
Does the crumb stay crunchy after refrigerating and reheating?
I made this for my sister's graduation dinner last month, there were maybe fifteen people and most of them are nowhere near keto, and it was gone before the store-bought potato salad even made a dent, which honestly felt like a win. The cauliflower rice disappearing without a single comment is still the part I'm thinking about.
The cauliflower rice in a creamy casserole basically stops being cauliflower. It just absorbs the sauce and disappears. Fifteen non-keto people is a real test.
Brought this to a potluck Saturday and two people asked about the crumb topping. Neither believed it was pork panko. Not bad for a first keto casserole.
That crumb topping reveal gets people every time.
Chicken thighs do something in a casserole that breasts never pulled off in the old Cream-of-Mushroom version I used to bring to potlucks. That's what brought me back a third time. The pork panko crust goes golden and almost nutty, and I wasn't expecting it to be so much better than Ritz crackers, but here we are. The filling underneath is rich enough that the cauliflower rice just disappears into everything. It's completely replaced the old version.
Thighs in a casserole is a different recipe entirely. The fat works into everything while it bakes and by the time it's done the whole filling is richer.
Yes! That's exactly it, the fat basically bastes the whole thing from the inside out.
My store doesn't carry pork panko. Can I just crush up regular pork rinds for the topping or does it end up a different texture?
Crushed pork rinds are the closest swap. Just pulse them in a food processor until they look like breadcrumbs, and the crunch bakes up basically the same.
If you're using store-bought cauliflower rice, wring it out in a dish towel first. Mine was watery the first time and the pork panko topping went soft before it hit the table.
Pork panko goes soft fast once there's moisture under it. I do the towel step with fresh riced cauliflower too, not just the frozen bags.
Quick tip if you're making this: squeeze the water out of your broccoli after you microwave it. I skipped that step my first time and the whole bottom got watery. Just pat it with paper towels and let it sit for a minute before it goes in the pot. Second time around the pork panko topping stayed crunchy all the way through and it looked exactly like the picture. I'm never skipping that step again.
Paper towels work. I usually let mine sit uncovered on the counter while the chicken cooks, same result. That steam has to go somewhere before it hits the topping.
There's a chicken casserole my mom made every Sunday that I quietly let go of when I started keto. Made this last week and it went right back on the table. The pork panko crumb topping baked up with this exact golden crunch I'd forgotten about, and I stood in the kitchen eating it before I even called anyone to dinner. Something about creamy chicken with that crispy top just hits.
Eating it at the counter before you even call anyone to dinner is the real sign a recipe works. I do the same thing with this one. Glad Sunday made it back.
I went into this skeptical about cauliflower rice holding up in a casserole. It completely won me over. The pork panko topping bakes up with a real crunch (not the sad, soft kind) and the creamy chicken underneath is rich enough that you don't notice anything's missing. Made it Sunday and the leftovers reheated better than I expected. This is going into regular rotation.
'Not the sad, soft kind.' That's the target. Two minutes under the broiler locks it in.
I have made probably four different keto chicken casseroles in the last six months and none of them had a topping that actually stayed crunchy. The pork panko crust on this one is freaking unbelievably good. This is the one I'm sticking with.
The parmesan is what makes it hold. Day two still crunchy.
Fourth or fifth time making this now, and it's become my standard Sunday casserole. The pork panko topping is what keeps pulling me back. It crisps up in a way that feels like it shouldn't work on a casserole, but it absolutely does (in the best way). One thing I've learned after a couple of batches: pull it a few minutes early if your oven runs hot, because that golden crust moves fast near the end.
That topping moves fast at the end. I start checking mine around 13 minutes because once it tips past golden it goes quick. Sunday casserole rotation is the highest compliment.
Subbed frozen riced cauliflower for fresh and pressed it in a kitchen towel after microwaving to pull out the extra moisture. No soggy bottom, and the pork panko crust stayed crispy all the way through, which was the part I was most concerned about.
Frozen riced cauliflower is basically water once it's microwaved. Good call pressing it out first.
This is probably the dinner I've made most this year and I don't see that changing. I'm somewhere around batch seven since January, and around batch four I started adding a couple ounces of cream cheese into the filling before it goes in the dish. The texture went from really good to almost unreal, this creamy layer underneath the pork panko crumb top that I was not expecting. I didn't think it would make that much of a difference but wow, it does. The crust still stays crunchy on day two, which I genuinely cannot say about most casseroles. Double batch this weekend and I'm a little too excited about it.
Cream cheese folded into the filling is a good catch. The layer under the crumb gets noticeably richer without touching the crunch on top. Seven batches since January.
Meal prepping this week and I've got regular pork rinds but not the panko style. If I pulse them finer in the food processor, do they sub 1:1 for the topping or will the texture be too dense?
Yeah, 1:1 works. Pulse until they look like breadcrumbs and you're good. Mine get a little denser than store-bought panko but they still crisp up fine under the broiler.