Cauliflower taco casserole is an easy, quick, and cheesy bake made with ground turkey or beef and plenty of taco seasoning. It is naturally low in carbs and comes together in about 30 minutes, most of which is hands-off oven time. Think of it as taco night in a baking dish. You get all the warm, savory taco flavor, built on the same taco-seasoned meat as my Ninja Foodi taco meat, layered with tender cauliflower and melty cheddar, with none of the shells to fuss over. It is a weeknight favorite in my house because it is filling, budget-friendly, and endlessly easy to customize.
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My take on this recipe
This was one of the first lower-carb dinners I ever put on the blog, back in 2020, and it is still in our regular rotation years later. I love that it uses just a handful of ingredients I almost always have on hand, and that even the cauliflower skeptics in my family go back for seconds once it is covered in taco-seasoned meat and cheese. My biggest tip, learned from a couple of watery early batches, is to not skip drying the cauliflower.
Ground turkey taco casserole ingredients
This casserole is very easy to make with just a handful of ingredients! Lets see whats inside:
- Cauliflower. Its winter now and cauliflower is not in season, at least here in Northern California. Here is goes for about 3 dollars per item. To compare, in summer the price drops to 1 dollar per piece. For this recipe i used a ⅓ of a large head and it was enough for a small casserole dish.
- Taco seasoning. I used a regular store bought taco seasoning package, about 1 tablespoon
- Ground turkey. I am not a huge fun of a taste of ground turkey but this type of meat is perfect for those who watches there health. You can use ground chicken or even a ground beef as well. Or make a mix!
- Cheese. Cheddar will work great in this recipe as well as Parmesan or Monterey cheese. I will talk more about cheeses later in the post.
- Half and half or heavy cream.
Riced or chopped cauliflower?
I am a big fan of riced cauliflower. It fits well in so many different recipes as a main ingredient or as a side dish. Sometimes though i simply don't have time for using a food processor so i just chop cauliflower.
If you chose this method, make sure you chop it really well and there is no big pieces left. It will cauliflower cook evenly.
Best cheese for cauliflower taco casserole
Cheddar cheese is my favorite. It melts easy, it has a nice pretty orange color and it just good. You can mix cheddar and Parmesan like i did in this meatball casserole. Delicious!
I have to say though that try not to buy already shredded packaged cheese. It usually contains cellulose to prevent cheese from caking. I prefer to use pure clean ingredients without any additional wood. Just a block of your favorite cheese and shred it yourself. Plus it melts better!
Ways to serve it
This casserole is hearty enough to stand on its own, but it also loves a few fresh toppings and sides.
- Top each scoop with sour cream, salsa, or a spoonful of guacamole
- Add sliced avocado, diced tomato, and fresh cilantro
- Scatter over pickled or fresh jalapeños for heat
- Serve with a crisp green salad or a simple slaw
- Spoon it into warm tortillas or over rice for the non-low-carb crowd
- Finish with a squeeze of lime and a little hot sauce
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Variations and add-ins
One of the best things about this bake is how easy it is to make your own.
- Swap the meat. Ground beef, chicken, or a turkey-beef mix all work with the same seasoning.
- Add vegetables. Stir in sauteed onions, bell peppers, or spinach for extra color and nutrition.
- Make it spicy. Add cayenne, chipotle powder, or diced green chiles to the meat.
- Add beans or corn. Great for flavor if you are not watching carbs, though they will raise the carb count.
- Go all cauliflower rice. Use riced cauliflower throughout for a softer, more scoopable texture.
Tips for the best cauliflower taco casserole
Dry the cauliflower. Cauliflower holds a lot of water, so pat it dry (or lightly pre-cook and drain riced cauliflower) to keep the casserole from turning watery.
Season the meat well. The taco seasoning is doing the heavy lifting, so make sure it is mixed evenly through the meat before layering.
Shred your own cheese. Freshly grated cheese melts smoother and tastes cleaner than pre-shredded.
Do not overbake. Pull the casserole once the cheese is melted and bubbly and the cauliflower is fork-tender, so it does not dry out.
Make ahead and storage options.
This could be a lovely make ahead casserole. Bake it a day or two before and just keep in the fridge, covered tightly with a foil. reheat in the preheated to 400 degrees oven for about 5-7 minutes.
Storage. This can be kept in fridge for up to one week. Make sure its in the air tight container or in the original casserole dish but with the tight lid on with foil on top.
I don't recommend freezing this cauliflower casserole because of the cheese, it does not freeze very well.
Common questions
Yes. Ground beef, ground chicken, or a mix all work with the same taco seasoning and method. Beef will be a little richer.
No. It cooks through in the oven. Just chop it small or rice it so it softens evenly in about 20 minutes.
Cauliflower releases moisture as it bakes, so pat it dry first. If you use riced cauliflower, a quick saute or microwave and drain before layering helps a lot.
Yes. Thaw it and pat it very dry first, since frozen cauliflower holds extra water that can make the bake soggy.
A green salad, slaw, or extra taco toppings like sour cream, salsa, and avocado round it out. Add tortillas or rice for anyone not eating low carb.
More recipes to try
- How to roast poblano peppers in the air fryer, a smoky topping or side with Mexican flavor.
- Air Fryer Serrano Peppers, blistered in 12 Minutes!
- Grouper ceviche, a fresh, citrusy starter.
- Air fryer haddock, a quick, flaky fish dinner.
- Steamed snow crab legs, an easy special-occasion main.
I hope this cauliflower taco casserole becomes a regular on your dinner table. If you make it, leave a rating and a comment below to let me know how it turned out!
Recipe
Cauliflower Taco Casserole
Ingredients
- ½ lb ground turkey
- ⅓ large cauliflower head
- 1 cup shredded cheddar*
- 1 tablespoon taco seasoning
- ½ cup half and half
Instructions
- Preheat oven to 400 degrees
- Take a small casserole dish, spread ground turkey on the bottom. Mix taco seasoning into the turkey. Add half of the amount of cheddar on top.
- Prepare cauliflower. You can make a cauliflower rice by grinding it in the food processor or just caut it in little pieces, like i did here. Place the whole amount on top of the turkey and cheese.
- Top casserole with the leftover cheese and with the half and half. Place in the oven. Bake or about 20-23 minutes.
- If it fels like you may need more cheese to cover all the cauliflower, just add more. Add as much as you want!
- Once bake, let cool a bit and cut with the spoon. Serve hot or warm.
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