One-Pot Keto Friendly Mexican Casserole Recipe

If there’s one thing I love, it’s a good one-pot recipe. This one-pot keto-friendly Mexican casserole recipe is a crowd pleaser for both keto-minded folks and carb-lovers alike. And it’s versatile. You can cook it all stove-top, use the crock-pot, or stick a casserole dish in the over for a baked finish. No matter how you choose to make it your own, it’s sure to be a dish everyone will enjoy.

I found this recipe back several months ago when my husband set out to shed a few pounds. He never went full on keto, but he did modify his diet to aim for more veggies and less bread and carbs. As a result, we have both been eating a bit cleaner and are finding that carbs really aren’t a necessity to every single meal.

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This one-pot meal is a winner in my book for several reasons:

  1. It’s easy and relatively inexpensive to make
  2. It holds over well for leftovers
  3. It’s flavorful and satisfying
  4. I haven’t found a soul alive yet who doesn’t eat it up

And the other nice part about this keto friendly meal is that you don’t have to eat it keto. Throw some black beans or corn into the dish if you want. Switch the cauliflower rice out for brown rice. Or if you would like to add the carb option while leaving the dish itself keto, just put some chips and salsa on the table to compliment. It’s that easy, and everyone is happy. I’ve even known some to enjoy the dish more as a dip for tortilla chips than as a casserole. However you choose to enjoy, it’s absolutely delicious.


These quantities feed 4.

  • 1lb of ground beef
  • One regular size can of Rotel, mild or original (make it two if you’re a tomato lover)
  • One taco packet (or your own blend of spices if you prefer)
  • Two fresh bell peppers and one fresh onion OR one bag of frozen mixed peppers and onions
  • Two bags of Steam Fresh cauliflower rice
  • Cheese – I prefer sharp cheddar, but a Mexican cheese blend also works well
  • Sour Cream
Shot of an attractive young blonde preparing food in the kitchen


  1. In a large pan, brown ground beef
  2. Chop bell pepper and onion and sauté with ground beef or toss frozen veggies in to sauté with ground beef
  3. Once cooked, add the taco packet and mix well
  4. Let simmer
  5. Cook the two bags of cauliflower rice in the microwave while the meat and veggies simmer
  6. Add beef, peppers, and onions to the crock pot. *Doesn’t have to be crockpot but it’s a great option if you want to cook early in the day and let simmer for flavors to meld together. See below for an alternative option.
  7. Add Cauliflower rice to the crock pot
  8. Partially drain the can of Rotel and add to the crock pot
  9. Let simmer on low for several hours
  10. Serve
  11. On serving, add cheese and sour cream on top as desired

As an alternative to using the crockpot:

5. Mix ground beef, peppers, and onions, cauliflower rice, and rotel together in a single pot

6. Pour mixture into a casserole dish

7. Top with Mexican cheese blend

8. Bake in oven on 350 degrees until cheese is melted

9. Serve

Some other options to consider

I love a good meal like this because it’s very easy to modify it and give it new life. In fact, I originally found this recipe online and decided to make a few modifications to it to fit our family’s taste. Want to make the original meal I found? Check out Kasey Trenum’s Keto Mexican Cheesy Chicken Skillet! She also has lots of other great recipes to try!

Here’s a few ideas for how you can make the meal your own:

  • Try making it with rotisserie chicken instead of ground beef. If you do this, be sure to add in some chicken stock with it because the chicken can tend to be a bit drier than the beef. Not draining the Rotel before mixing it in will also help.
  • Add black beans or corn to make it heartier. Got a load of boys in the house? Just need to make the meal more substantial? Add in these two ingredients for an instantly more robust meal.
  • If you’re into spicy stuff, go ahead and throw in a jalapeño or other hot pepper of your choice with the bell pepper and onion.
  • Want to really keep the cleaning down? Put it in a skillet. You can enjoy this meal while only getting one skillet dirty. Mix all your ingredients in the skillet together and serve from there. You can even melt the cheese on top right in the skillet if you want!
  • Add in extra cheese or even Velveeta while you cook so the meal is cheesy throughout. This is a great option if you want to serve it as a dip at a party.
  • Want to offer more topping options? In addition to sour cream and cheese, salsa, guacamole, cilantro, chopped raw onions, and lime are all great options.

I hope you and your family enjoy this meal as much as we do! Got any modifications of your own or recipe tips to try? Leave us a comment so we can all try!