Southwestern Cauliflower Rice Casserole {Recipe}

Feed your hungry family in an hour with this one-dish, grain-free Southwestern Cauliflower Rice Casserole packed with veggies, protein, and flavor!

Feed your hungry family in an hour with this one-dish Southwestern Cauliflower Rice Casserole packed with veggies, protein, and flavor! Get the gluten-free, grain-free, and vegetarian recipe @jlevinsonrd.

A few weeks ago, I went into my fridge to drain a package of tofu in preparation of that night’s dinner. I often forget to do this in advance, which leads to a mad rush come dinner time, but that day I remembered. What I didn’t remember, is that I had no tofu on hand. 😯  After cursing myself for not doing a better job with my grocery list when I made that week’s menu plan, I got to thinking about what I was going to make for our Meatless Monday dinner. After all, I have hungry growing girls on my hand!

That’s how this Southwestern Cauliflower Rice Casserole recipe came about. And it just so happens to be a perfect fit for this month’s Recipe ReDux theme:

Easy Ways to Reduce Food Waste

In honor of Earth day (April 22nd), we’re challenging ReDux members to show how they reduce food waste. Whatever you would normally toss, use it up. Share tips for reducing food waste in meal planning, prep, or using up scraps.

Ingredients & Preparation

My plan for that night’s dinner was to serve the tofu over a bed of cauliflower rice. (If you haven’t tried it, that’s a pairing you want to make – you can test it out with my Veggie Cauliflower Fried Rice with Crispy Tofu.) If you’ve ever bought a bag of fresh cauliflower rice, you know that it doesn’t have the longest shelf life, and I wasn’t about to let it go to waste. So I got to thinking what I could do with it.

I had some sweet potatoes in my veggie basket on the kitchen counter, bell peppers, cilantro, cottage cheese, and shredded cheese in the fridge, corn in the freezer, and black beans in the pantry. Many of these ingredients are staples in my kitchen, but when I put them all together I knew I had the makings of a Southwestern/Tex-Mex inspired dish.

I remembered a quinoa casserole I once made from a recipe another blogger adapted from Eating Well, and thought why not use the cauliflower rice as the base of the casserole.

(By the way, this is just one example of how my recipes get developed – there’s really nothing new under the sun, although a lot of people are intrigued lately by my creativity in making these Strawberry Rhubarb Mimosas, which I am sure I’m not alone in making. Anyway, the point is, this recipe is an adaptation of someone else’s adaptation of a recipe that for all we know was adapted from someone else!)

Feed your hungry family in an hour with this one-dish Southwestern Cauliflower Rice Casserole packed with veggies, protein, and flavor! Get the gluten-free, grain-free, and vegetarian recipe @jlevinsonrd.

This isn’t the quickest recipe, but it still clocks in at just about an hour, which is pretty good for a weeknight. Even better though, is that this is a meal that can be prepped in advance so that all you have to do is cook it at dinnertime. You can even cook it the day before and reheat it the next night. It also makes for great leftovers to pack in the kids’ lunchbox, especially if they go to a nut-free, meat-free school like my kids do.

You can also shave off about 20 minutes from prep and cook time if you leave out the sweet potatoes. Personally I love the combo of sweet potatoes and black beans (remember my Sweetpotato Black Bean Quesadillas?!), but you won’t miss them too much if you’d rather have dinner on the table more quickly.

A couple of ingredient notes when making this cauliflower rice casserole:

  • The cottage cheese in this recipe gets blended until smooth, to the consistency of ricotta cheese. I always have reduced-fat cottage cheese in the refrigerator (it’s a breakfast staple), which is why I used it, but feel free to use part-skim ricotta in its place. (If you’re wondering, nutritionally, ricotta is higher in calories and fat, lower in sodium, and equivalent in protein compared to cottage cheese.)
  • I used frozen corn here, but when fresh corn is in season I intend to cut it off the cob instead. Nutritionally, there’s no difference between the two, so use what’s easier and what you have on hand.
  • If you do include the sweet potatoes, be sure to account for the time you need to roast them before you put everything else together. Or better yet, roast them a day or two before so you can just throw them into the mixture.
  • Although not shown in the pictures here, this Southwestern Cauliflower Rice Casserole is even better with a dollop of guacamole and salsa on top. Trust me! Or do what my husband does and add Sriracha!
  • As with many of my recipes (like egg muffins and frittatas, Buddha bowls, baked oatmeal, etc), you can change up the casserole based on your family’s food preferences, what’s in season, and of course what you have in the fridge. Make it mediterranean with olives, sun-dried tomatoes, and feta. Go Asian with tofu, edamame, broccoli, and water chestnuts. I can keep going if you need ideas!

Ok, are you ready to get to the recipe?! I bet you are. Let me know if you have any questions in the comments section below. And most importantly, enjoy!

Feed your hungry family in an hour with this one-dish Southwestern Cauliflower Rice Casserole packed with veggies, protein, and flavor! Get the gluten-free, grain-free, and vegetarian recipe @jlevinsonrd.

Southwestern Cauliflower Rice Casserole Recipe

5.0 from 5 reviews
Southwestern Cauliflower Rice Casserole
 
Prep Time
Cook Time
Total Time
 
Feed your hungry family in an hour with this one-dish Southwestern Cauliflower Rice Casserole packed with veggies, protein, and flavor! This gluten-free, grain-free, and vegetarian recipe can easily be modified based on your family's taste preferences and what you have on hand in the kitchen. Easy to make in advance and reheat during the week or send leftovers for school lunch.
Author:
Recipe Type: Main Dish, Casserole
Cuisine: Southwestern/Tex-Mex, Gluten-Free, Grain-Free, Vegetarian
Serves: 6-9
Ingredients
  • Cooking spray
  • 1 cup peeled and diced sweet potatoes (~7 ounces or 2 small)
  • 1 teaspoon olive oil
  • 3 cups (one 16-ounce package) cauliflower rice (fresh or frozen)
  • 4 large eggs, whisked
  • ¾ cup low-fat cottage cheese, blended until smooth (or part-skim ricotta)
  • 1 cup drained and rinsed no-salt added black beans
  • ½ cup diced red peppers
  • ½ cup corn (fresh or frozen)
  • ⅓ cup chopped scallions
  • 2 tablespoons chopped cilantro
  • 1 teaspoon baking powder
  • 1 teaspoon kosher salt (or more to taste)
  • Freshly ground black pepper, to taste
  • 1 cup shredded low-fat Cheddar cheese (I use Trader Joe's light shredded 3-cheese blend)
Optional Toppings:
  • Guacamole, Salsa, Sriracha
Instructions
  1. Preheat oven to 425°F. Coat an 8x8" oven-safe casserole dish with cooking spray and set aside.
  2. Line a baking sheet with foil and coat with cooking spray. Toss sweet potatoes with olive oil, spread on baking sheet, and roast for 15 to 20 minutes, until browned on outside and tender on inside. Set aside to cool and reduce oven temperature to 375°F.
  3. In a large bowl, mix together the cauliflower rice, whisked eggs, and blended cottage cheese. To the rice/cottage cheese mixture, add roasted sweet potatoes, beans, peppers, corn, scallions, cilantro, baking powder, salt, and black pepper, to taste. Fold in all ingredients until well dispersed.
  4. Transfer cauliflower rice veggie mixture to prepared casserole dish and spread with a spatula so it's even on top.
  5. Sprinkle with cheese and bake for 25-30 minutes until golden brown on top. The center of the casserole should be solid and not feel jiggly. You can turn on the broiler for 2 to 3 minutes at the end if the cheese isn't browned enough.
  6. Remove from the oven and let rest for 5 minutes before serving. Top with guacamole, salsa, and/or sriracha if desired.
Notes
This casserole serves 6-9 people depending on whether you're serving kids or adults and how big their appetites. For point of reference, I cut the casserole into 9 pieces and my husband and I eat 2 pieces each, whereas my girls eat 1 to 1½ pieces each.

Feed your hungry family in an hour with this one-dish Southwestern Cauliflower Rice Casserole packed with veggies, protein, and flavor! Get the gluten-free, grain-free, and vegetarian recipe @jlevinsonrd.

What do you do when you forget to buy a key dinner ingredient?

What cauliflower rice casserole variation would you make?

Share with me in the comments below.

And be sure to check out how the other ReDuxers reduce food waste!

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55 Responses to Southwestern Cauliflower Rice Casserole {Recipe}


  1. Good job at thinking on your feet!! And I totally feel ya in the recipe development department, many times recipes are developed under the pressure of feeding the family! 🙂

    • Jessica says:

      Thanks so much Tara! There’s always something interesting that inspires what I make. So glad this one worked out as well as it did!!

  2. This is such a cool idea! We use cauliflower in a ton of things, but I’ve never thought of doing a casserole. Can’t wait to try it!

    • Jessica says:

      Thanks so much Laura! I wasn’t sure how it would work out, but I was so pleasantly surprised. Hope you enjoy it!

  3. I love the idea of using blended cottage cheese. I never seem to use a whole container of ricotta, but cottage cheese will always get eaten at my house, so I should start using that! This sounds delicious!

    • Jessica says:

      YES! I very often have half a container of ricotta that goes bad b/c of this. Hope you give the blended cottage cheese a try – it’s great on toast too!

  4. Kelli says:

    I love that you used cottage cheese in this! Sounds so yummy!

    • Jessica says:

      Thanks! It’s such an underutilized ingredient and for no good reason – it’s delicious!

  5. I love southwestern flavored casseroles. This looks like an awesome dinner option!

    • Jessica says:

      Thanks so much Emily. I hope you enjoy it!

  6. Sara says:

    Well this looks divine and I am totally making it! Thanks Jessica!

    • Jessica says:

      Thanks so much Sara! Can’t wait to hear how you like it!

  7. Such a delicious idea! We are big cauli-rice eaters and I really should try some more baked egg dishes. Never thought to combine the two!

    • Jessica says:

      Thanks Alisa! I know there’s a lot of dairy in here, but I bet you could make an awesome dairy-free version 😉

  8. Never thought to use cauliflower rice like this! Way to save the day with this awesome dinner!

    • Jessica says:

      Thanks cara! I hope you give it a try 🙂

  9. Diane Boyd says:

    Looks delicious! Pinning for later.

    • Jessica says:

      Thanks Diane! Would love to know if you make it!

  10. Kelly Jones says:

    There’s one thing I have not thought to do with cauliflower rice yet! A casserole is a great idea and makes for easy leftover meals too.

    • Jessica says:

      Thanks Kelly! It’s definitely great for leftovers and there are so many ways you can make it so it will never get boring!

  11. This looks so good, Jessica! I could easily eat this every morning for a week.

    • Jessica says:

      Thanks Danielle! Hope you give it a try soon!

  12. Sounds like a quick filling recipe! Loved all of your tips and pointers for the process of making this recipe!

    • Jessica says:

      Thanks Mandy – so glad the tips are helpful. Hope you enjoy it!

  13. Lindsey Pine says:

    This dish looks so good and looks like a great way to use up veggies in my fridge! I so need to make this sometime soon!!

    • Jessica says:

      Yes! It’s a great way to use up whatever’s on hand. So many ways you can make it your own. Let me know if you try it Lindsey!

  14. love the corn and black beans and cheese a winner to me!

    • Jessica says:

      Thanks Deborah – I love all those ingredients too!

  15. What a great way to use cauliflower rice! That’s so smart! I’m definitely going to be trying it in a casserole soon!

    • Jessica says:

      Thanks so much Liz. I hope you enjoy it!

  16. Yum!! Such a creative use for cauliflower! Can’t wait to try 🙂

    • Jessica says:

      Thanks Whitney. Would love to hear what you think if you get a chance to make it!

  17. Mona says:

    I wanted to press the Yum button a zillion times – this casserole looks incredible. I am on such a cauliflower kick but love all the other ingredient too!

    • Jessica says:

      Thanks so much Mona! I hope you enjoy it – would love to hear!

  18. Abbey Sharp says:

    Yum! Recently I’ve been in love with cauliflower rice and I’m always looking for creative ways to cook with it.

    • Jessica says:

      I have been too, although my hubby is over it a little :/ I hope you give this casserole a try and enjoy it!

  19. This looks delicious, Jessica! I love how you pureed the cottage cheese – I have never tried that, but am going to have to now to see how it changes the texture.

    • Jessica says:

      Thanks Jodi! I tried it on a whim and was so happy with how it came out. The blended texture is just like ricotta! Hope you enjoy it!

  20. Pingback: Menu Plan Monday: April 24, 2017

  21. Denise says:

    This looks like a great recipe! I can’t wait to make it!

    • Jessica says:

      Thanks Denise! I hope you like it!

  22. I love all the veggies in here!! I bet this is so comforting 🙂

    • Jessica says:

      Thanks Meme – I think you’d love it! Definitely a healthier comfort food 🙂

  23. I am very careful to reduce food waste–actually, one of my favorite things when roasting a head of cauliflower is to do a separate tray of the leaves! They are actually quite delicious!

    • Jessica says:

      That is so awesome! Never thought to roast the leaves. Not sure why given that I roast kale! So smart!

  24. This sounds SO good! Definitely prepping a batch over the weekend plus a big bowl of guac to top it with for the week! 😀

    • Jessica says:

      Thanks Emily! Can’t wait to hear how you like it!!

  25. We were both on the cauliflower rice train of thought this week! This sounds so good. I really love casserole dishes so I can’t wait to make this.

    • Jessica says:

      Totally! Your beef bowl with cauli rice looks great too! Can’t wait to hear how you like this casserole 🙂

  26. Carmy says:

    Love this lightened up and veggie packed version!

    • Jessica says:

      Thanks so much Carmy!

  27. Esther says:

    Looks so good! It reminds me of a dish my mom used to make…but she called hers leftover puff! Haha
    Can’t wait to try this!

    • Jessica says:

      Haha…that’s such a cute name! Hope you enjoy it and it brings back good memories 🙂

  28. jill conyers says:

    You can’t go wrong with Mexican recipes. Ever. Looks delicious Jessica.

    • Jessica says:

      I’m totally with you Jill! Love Mexican food. Thanks so much 🙂

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