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Home Recipes By Meal Lunch and Dinner

Mexican Quinoa Casserole

58 Reviews Recipe
gf nf
By: Erin Antoniak • Updated On May 4, 2026

This post may contain affiliate links. Please read my disclosure policy.

This healthy Mexican quinoa casserole is the perfect weeknight meal. It’s protein packed with ground turkey, quinoa, and beans and makes great leftovers for the week! It’s naturally gluten free, and can easily be made dairy-free and vegetarian or vegan!

quinoa casserole in a dish

If I’m being totally honest, growing up, I was NOT a fan of casseroles. They aren’t usually the … prettiest dishes. And … I didn’t love the pile of mixed up food on my plate.

THANKFULLY, as my taste buds have evolved, so have my views on casseroles.

There are so many reasons to love casseroles. They are economical, make for great meal prep (or feed a crowd), and the entire meal comes together in just one pan.

And let me tell you. I am casseroles #1 fan after making this Mexican quinoa casserole. It’s loaded with protein from the ground turkey, beans, and quinoa. It’s packed with flavor from the spices. And it’s ultra warming and comforting from the cheesy topping.

The best part? It’s ready in under an hour and that time is mostly hands-off!

Easy weeknight meal, check!

Plus while this is cooking, you can quickly make my Best Quick Guacamole Recipe to top it with and have with chips on the side.

serving of quinoa casserole

Ingredients in Mexican quinoa casserole

This recipe is great because it is made with tons of healthy pantry staples. Aside from the ground turkey, you probably already have most of these ingredients on hand!

The base of this Mexican quinoa casserole is made from:

  • Ground turkey
  • Quinoa
  • Black beans
  • Corn
  • Canned tomatoes
  • Onion

The Mexican seasoning is made from a mix of traditional spices that you probably always have on hand if you make chili or tacos! The ingredients are:

  • Chili powder
  • Cumin
  • Paprika
  • Cayenne pepper
  • Salt & pepper
mexican quinoa casserole
mexican quinoa casserole

How to customize Mexican quinoa casserole

Another reason why I love casseroles so much is because they are easily adaptable to taste preferences or ingredients you have on hand. This Mexican quinoa casserole is no exception!

I chose to use quinoa as the grain in this casserole because it’s higher in fiber and protein then other whole grains. But, feel free to substitute ricer or another whole grain of your choice if that’s what you happen to have on hand.

No corn? No problem! Feel free to leave it out, or substitute a vegetable of your choice. I think bell peppers would also be great here!

Love spice? Up the spice level by adding a bit more cayenne pepper.

Be sure to let me know in the comments any customizations you love!

quinoa casserole in a dish

Can this recipe be made vegetarian or vegan?

Yes! This Mexican quinoa casserole can EASILY be made vegetarian or vegan.

If you want to make this recipe vegetarian, simply leave out the turkey and add an additional can of black (or your favorite) beans.

If you’d like to make this recipe vegan (or dairy-free), substitute the beans for the turkey as above, and just leave off the cheese at the end!

How to serve Mexican quinoa casserole

The best part of this recipe? Serving it with all your favorite TOPPINGS!

I love to serve this casserole topped with a few chunks of avocado, Greek yogurt/sour cream, a squeeze of lime, and a bit of cilantro. Feel free to top with your favorites!

I also think leftovers would be great served in taco shells or made into a taco salad! The possibilities are really endless with this casserole.

mexican quinoa casserole in white bowl

If you liked this recipe, you’ll want to try these!

  • Healthy chicken lettuce wraps
  • Easy chicken tortilla soup
  • Healthy cashew chicken

If you make this recipe, be sure to comment below and let me know how it was! Also tag @erinliveswhole on Instagram and use the hashtag #erinliveswhole so I can see it and feature you!

Recipe by Erin Antoniak and Photos by Bake and Bacon

mexican quinoa casserole in casserole dish
5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 58 reviews

Mexican Quinoa Casserole

This Mexican quinoa casserole is made with ground turkey, quinoa, and black beans. It’s the perfect healthy weeknight meal to make for meal prep or to feed a crowd! 

Prep: 30 Cook: 20 Total: 50 minutes
Yield 8–10 servings 1x
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Ingredients

  • 1 cup quinoa (rinsed and drained)
  • 1 tbsp olive oil
  • 1 small yellow onion, diced
  • 1lb ground turkey
  • 2 cloves garlic, minced
  • 1 can fire roasted tomatoes
  • 1 can black beans, drained and rinsed
  • 1 can corn, drained and rinsed
  • 2 tsp cumin
  • 2 tsp chili powder
  • 1 tsp smoked paprika
  • 1 tsp salt
  • 1 tsp pepper
  • 1/4 tsp cayenne powder
  • 1 cup water
  • juice of one small lime
  • 1.5 cups cheddar cheese

Topping

  • lime wedges, avocado, greek yogurt, cilantro

Instructions

  1. Preheat oven to 350F.
  2. Cook your quinoa by bringing 1 cup of quinoa and 2 cups of water to a boil in a small saucepan. Cover with lid. Once boiling, reduce heat to low and simmer for 15 minutes or until liquid is absorbed. Turn off heat, let sit for a few minutes and then fluff with work.
  3. While quinoa is cooking, heat olive oil in large sauce pan or dutch oven.
  4. Add diced onion and cook until just soft.
  5. Add in ground turkey and garlic, breaking up with spoon.
  6. Once turkey is all the way cooked through, reduce heat and add in tomatoes, beans and corn.
  7. Next, stir in all spices and water.
  8. Stir to combine, and then add in lime juice. Let simmer for 15 minutes on low.
  9. Turn off heat and stir in cooked quinoa.
  10. Pour turkey quinoa mixture into a baking dish (I used an 8×11 dish) and top with cheddar cheese.
  11. Bake for 20 minutes at 350F. Let cool a few minutes before serving. Enjoy!
Author: Erin Antoniak Category: gluten-free, dinner, meal prep Method: oven Cuisine: Mexican
mexican quinoa casserole in casserole dish

Did you make this?

Leave a comment below and tag @erinliveswhole on social media!

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There may be affiliate links in this post! By purchasing a product I recommend, I may receive a small compensation. However, I only recommend products I absolutely love and use myself. Thank you for supporting Erin Lives Whole, it helps keep this blog afloat 🙂

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Recipe Rating




  1. Sarah Smith says

    Posted on 7/20 at 4:58 pm

    Easiest most delicious/healthy meal! We made it for “cinco de mama” a belated Mother’s Day/cinco de mayo celebration and my whole family had me send them the recipe! Huge hit throughout the whole family!

    Reply
    • Erin says

      Posted on 7/21 at 3:01 pm

      Hi Sarah, so happy it was a big hit! 🙂

      Reply
  2. Christine says

    Posted on 3/29 at 8:40 pm

    Awesome recipe! Have made it twice now and second time we shredded 3 chicken breasts instead of using ground turkey. Thought that was a delicious variation!

    Reply
    • Erin says

      Posted on 3/31 at 7:10 am

      Hi Christine, so happy you love it and make it your own! 🙂

      Reply
  3. Katie says

    Posted on 3/8 at 8:03 pm

    Such a creative way to use quinoa! I swapped green pepper for the corn & loaded it up with toppings & it was delicious!

    Reply
    • Erin says

      Posted on 3/12 at 9:18 pm

      Hi Katie, so happy you loved it!!

      Reply
  4. Judy Belfer says

    Posted on 3/6 at 6:46 pm

    The Mexican Casserole was delish! I had some friends over for dinner and they loved it too! I will definitely make it again!

    I can’t wait to try your other recipes!!

    Reply
    • Erin says

      Posted on 3/12 at 9:09 pm

      Hi Judy, so happy you all enjoyed it!! 🙂

      Reply
  5. Katie Hartman says

    Posted on 1/26 at 9:50 am

    Very tasty it turned out great even though I used opened quinoa that expired 5 years ago! 😀 Nice because I had everything needed for this in my house already. Quinoa was a great alternative to the standard rice and potato casserole recipes. We had it for several meals and didn’t get sick of it. Was a bit watery for me so I would probably add a little less water next time.

    Reply
    • Erin says

      Posted on 1/28 at 2:33 pm

      Hi Katie, so glad you liked it and hope you can buy new quinoa for next time! 🙂

      Reply
  6. Trudie says

    Posted on 1/6 at 6:41 am

    Really yummy and great for lunch the next day! I upped the spices as the first time i made it came out blander than I wanted. Love your recpies!

    Reply
    • Erin says

      Posted on 1/7 at 10:57 am

      Hi Trudie, so glad you enjoyed it! 🙂

      Reply
  7. Lynn Bishop says

    Posted on 1/4 at 10:00 pm

    Husband and I enjoyed it!

    Reply
    • Erin says

      Posted on 1/7 at 10:55 am

      Hi Lynn, so happy it was a big hit! 🙂

      Reply
  8. Marg says

    Posted on 12/22 at 11:18 pm

    Hi, can you make this without beans? Son is allergic

    Reply
    • Erin says

      Posted on 12/24 at 12:35 pm

      Hi Marg, yes, of course! Feel free to omit them. 🙂

      Reply
  9. Caroline says

    Posted on 12/11 at 9:07 pm

    Absolutely delicious and so easy! Plus it really is a meal that makes you feel great. I served with greek yogurt and sliced avocado. Will be making again and again!

    Reply
    • Erin says

      Posted on 12/14 at 3:25 pm

      Hi Caroline, so happy you loved it and great idea! 🙂

      Reply
  10. Caroline says

    Posted on 4/18 at 2:28 pm

    Hi Erin – How long will this keep if frozen? And what are instructions to unfreeze?

    Reply
    • Erin says

      Posted on 4/19 at 1:23 pm

      Hi Caroline, you can freeze it for up to 4 months. Just thaw in fridge overnight. Let me know how yours comes out!

      Reply
  11. Sarah says

    Posted on 2/19 at 7:26 pm

    My kids loved it! Will be making over and over.

    Reply
    • Erin says

      Posted on 2/20 at 8:09 pm

      Hi Sarah, so happy you all enjoyed it! 🙂

      Reply
  12. Jillian says

    Posted on 1/28 at 3:21 pm

    A meal prep staple in our house! reheats like a dream and is so hearty. This is also my go-to recipe to give to friends who have just had babies/etc since it freezes so well! I love topping it with a big squeeze of lime juice and a dollop of plain greek yogurt. So yummy!

    Reply
    • Erin says

      Posted on 1/29 at 3:50 pm

      Hi Jillian, so happy you enjoy it so much! 🙂

      Reply
  13. Anna says

    Posted on 1/8 at 11:29 am

    Hi! Do you think I could split this into 2 square baking dishes so I can freeze half of it?

    Reply
    • Erin says

      Posted on 1/12 at 10:06 pm

      Hi Anna, yes, of course! You’d need to reduce the cooking time a little, so keep an eye on it and let me know how they come out!!

      Reply
  14. Jessica says

    Posted on 12/4 at 4:23 pm

    so good! High protein. Delicious and easy meal prep.

    Reply
    • Erin says

      Posted on 12/4 at 5:08 pm

      Hi Jessica, so happy you enjoyed it!!

      Reply
  15. Morgan Jones says

    Posted on 5/22 at 4:48 pm

    I love this recipe! A staple in our house! Its delicious, packed with nutrients, and something my husband often asks for! We have eaten it by itself, but we also sometimes also scoop it with lime chips!!

    Reply
    • Erin says

      Posted on 5/23 at 12:07 pm

      Hi Morgan, so happy you all love it so much!!

      Reply
  16. Katie says

    Posted on 12/4 at 10:06 pm

    Really liked this recipe! Worked great freezing after cooking thoroughly.

    Reply
    • Erin says

      Posted on 12/5 at 3:00 pm

      Hi Katie, so glad you loved it!

      Reply
  17. Alex says

    Posted on 9/6 at 7:23 pm

    Great dish! Makes a ton and husband approved!

    Reply
    • Erin says

      Posted on 9/9 at 7:15 am

      Hi Alex, so happy you both enjoyed it!!

      Reply
  18. VGC says

    Posted on 8/30 at 8:57 pm

    I made this in a too small cast iron but did it in batches and it still turned out great! Very easy and yummy

    Reply
    • Erin says

      Posted on 9/1 at 5:45 pm

      Hi, so glad you made it work and enjoyed it!!

      Reply
  19. Katie says

    Posted on 5/6 at 11:28 pm

    Hi Erin! I only have an 8.5×8.5 pan, will the bake temp and time be the same as indicated in the recipe?

    Reply
    • Erin says

      Posted on 5/9 at 3:23 pm

      Hi Katie, yes! May need a little longer, about 10 minutes. Let me know how it comes out for you!!

      Reply
  20. Brooke says

    Posted on 4/5 at 10:38 am

    Such a great recipe for lunches throughout the week!!

    Reply
    • Erin says

      Posted on 4/5 at 4:01 pm

      Hi Brooke, so happy you loved it!

      Reply
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I’m Erin. Creator of Erin Lives Whole, a food blog with delicious and easy healthy recipes that will leave you feeling good. We’ve got everything from wholesome baked goods to comforting savory dishes. I can’t wait to see what you whip up! Read More...

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Mexican Quinoa Casserole
Mexican Quinoa Casserole