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Home » Vegetarian Recipes

Crispy Quinoa Bake

Modified: Aug 8, 2025. Published: Sep 19, 2017 by Lindsay Moe.

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Crispy Quinoa Bake - Loads of veggies, beans, quinoa, and cheese in a healthy casserole full of Mexican flavors. theliveinkitchen.com @liveinkitchen

This crispy quinoa bake is actual healthy comfort food! It's a vegetarian casserole that's full of vegetables and irresistibly crispy!

a baking dish with a scoop of quinoa casserole taken out and put in a bowl
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Jump to:
  • Ingredients
  • How to make crispy quinoa bake
  • Top tips
  • FAQ
  • More quinoa recipes
  • Recipe

Really good vegetarian casseroles can be hard to come by, but this one has stood the test of time.

I've been making this recipe for years for my family and it always get rave reviews when I deliver it to friends or potlucks. It's loaded with interesting textures and flavors, and is one of those rare unicorns where the leftovers taste even better than the original!

Thousands of you have tried it, loved it, and made it your own. There's nothing I love better than when people send me photos of one of my recipes on their dinner table, waiting to be devoured.

a silver serving spoon scooping out mexican quinoa casserole

Ingredients

  • Quinoa
  • Olive oil
  • Vegetable stock
  • Onion
  • Green pepper
  • Garlic
  • Zucchini
  • Black beans
  • Diced green chiles
  • Diced tomatoes
  • Corn
  • Cumin
  • Oregano
  • Chili powder
  • Lime
  • Salt
  • Monterey jack cheese
  • Cilantro

How to make crispy quinoa bake

  1. Preheat the oven to 375ºF. Spray a 9x13 baking dish with cooking spray. Set aside.
  2. Place the quinoa in a fine mesh strainer and rinse throughly with cool water for at least two minutes. Drain.
  3. In a medium saucepan, heat 2 teaspoons olive oil over medium-high heat. Add the quinoa and cook, stirring, for about one minute. The quinoa should begin to dry out and pop a bit.
  4. Add the chicken stock. Stir and bring to a boil. Turn the heat down to low and cook, covered, for 15 minutes or until all the water is absorbed. Remove the pan from the heat and let stand, covered, for 5 minutes.
  5. Meanwhile, in a large skillet, heat 1 tablespoon olive oil over medium heat.
  6. Add onions and peppers and cook, stirring occasionally until soft, about 7 minutes.
  7. Add garlic and zucchini and cook 5-10 more minutes, until the zucchini is soft and beginning to brown.
  8. Fluff the quinoa with a fork and place it in a large bowl. Add onion mixture, beans, green chiles, tomatoes, corn, cumin, oregano, chili powder, lime juice, and salt to taste. Mix thoroughly and transfer to prepared baking dish.
  9. Bake 30 minutes, top with cheese, and bake 10 minutes more or until melted and just beginning to brown. Top with cilantro if desired.
a white bowl with crispy quinoa bake and a fork

Top tips

How to cook quinoa

Quinoa is easy to cook on the stovetop or in the instant pot. If you're unfamiliar with quinoa, be sure to check out the post I wrote on how to cook quinoa or how to cook quinoa in the instant pot to get quinoa that is perfect and fluffy every time!

close up photo of crispy quinoa bake with a silver serving spoon

How to store

Leftovers can be kept covered in the refigerator for up to 3 days. You can also freeze the casserole, baked or unbaked, covered tightly with plastic wrap and aluminum foil for up to 3 months.

How to reheat leftovers

My absolute favorite thing to do is reheat leftovers in a frying pan with a little olive oil. Make sure you stir/flip it frequently to prevent sticking and burning. The quinoa gets even crispier, and so does the cheese!

If you're cooking it after freezing, allow it to thaw in the refrigerator overnight and then sit at room temperature for about 30 minutes before baking. Everything in here is safe to eat as-is, but you may want to cook it a few extra minutes to ensure it is hot all the way through.

Tips for customizing crispy quinoa bake

  • Make a few simple swaps to change this from Mexican inspired to Italian Quinoa Casserole, Quinoa Enchilada Casserole, Butternut Squash Casserole, or Broccoli Quinoa Casserole!
  • Lightly spray a large, rimmed baking sheet (affiliate link) with cooking spray and spread the mixture thin before continuing to bake as directed for super crispiness all over
  • Leave off the cheese for a vegan version
  • Use whatever favorite veggies you have on hand such as broccoli, mushrooms, or spinach
  • Increase the spice level by adding a minced jalapeño and using pepper jack cheese
  • Fry leftovers in a skillet with a little olive oil over medium heat - this is basically a requirement and even better and crispier than the original - being sure to break up and flip the mixture frequently, adding even more cheese if desired!

FAQ

What are diced green chiles?

This is a canned item commonly found in the Mexican aisle of the grocery store. It is not the same as a pepper you would find in the produce section, but you could leave it out or substitute it with a regular pepper of your choice if you prefer.

More quinoa recipes

  • Broccoli Pesto Quinoa Casserole
  • Italian Quinoa Casserole
  • Quinoa Salad with Balsamic Tofu
  • Quinoa Taco Salad
  • Quinoa Stuffed Poblano Peppers
  • Vegetarian White Quinoa Chili
  • Warm Kale and Quinoa Salad
a casserole dish with a silver serving spoon and a scoop removed from the vegetarian casserole

If you make this recipe, be sure to rate it, leave a comment, or tag #theliveinkitchen on Instagram!

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Recipe

crispy quinoa bake in a bowl with a fork

Crispy Quinoa Bake

This quinoa casserole is loaded with vegetables, cheese, and Mexican flavors!
4.07 from 80 votes
Print Pin Rate SaveSaved!
Prep Time: 10 minutes minutes
Cook Time: 1 hour hour
Total Time: 1 hour hour 10 minutes minutes
Servings: 6
Calories: 417kcal
Author: Lindsay Moe
Prevent your screen from going dark

Ingredients

  • 1 cup quinoa, uncooked
  • 5 teaspoons extra virgin olive oil, divided
  • 2 cups vegetable stock
  • 1 cup yellow onion, diced (about 1 medium)
  • 1//2 green pepper, chopped
  • 2 cloves garlic, finely chopped
  • 1 cup zucchini, cubed (about 2 small)
  • 15 ounces canned black beans, rinsed and drained
  • 4 ounces diced green chiles
  • 28 ounces diced tomatoes, drained
  • 1 cup frozen corn
  • ½ teaspoon ground cumin
  • 1 teaspoon oregano
  • 1 teaspoon chili powder
  • ½ lime, juiced
  • Salt
  • 2 cups shredded monterey jack cheese
  • Chopped cilantro, for garnish

Instructions

  • Preheat the oven to 375ºF. Spray a 9x13 baking dish with cooking spray. Set aside.
  • Place the quinoa in a fine mesh strainer and rinse throughly with cool water for at least two minutes. Drain.
  • In a medium saucepan, heat 2 teaspoons olive oil over medium-high heat. Add the quinoa and cook, stirring, for about one minute. The quinoa should begin to dry out and pop a bit. Add the vegetable stock. Stir and bring to a boil. Turn the heat down to low and cook, covered, for 15 minutes or until all the water is absorbed. Remove the pan from the heat and let stand, covered, for 5 minutes.
  • Meanwhile, in a large skillet, heat 1 tablespoon olive oil over medium heat. Add onions and peppers and cook, stirring occasionally until soft, about 7 minutes. Add garlic and zucchini and cook 5-10 more minutes, until the zucchini is soft and beginning to brown.
  • Fluff the quinoa with a fork and place it in a large bowl. Add onion mixture, beans, green chiles, tomatoes, corn, cumin, oregano, chili powder, lime juice, and salt to taste. Mix thoroughly and transfer to prepared baking dish.
  • Bake 30 minutes, top with cheese, and bake 10 minutes more or until melted and just beginning to brown.

Notes

 
Adapted from Dough-Eyed Girls
Leftovers can easily be microwaved, but I like them best fried in a little olive oil over medium heat until brown and crispy.
 

Nutrition

Calories: 417kcal | Carbohydrates: 47g | Protein: 20g | Fat: 17g | Saturated Fat: 8g | Cholesterol: 33mg | Sodium: 1063mg | Potassium: 858mg | Fiber: 10g | Sugar: 5g | Vitamin A: 775IU | Vitamin C: 28.6mg | Calcium: 384mg | Iron: 5.1mg
Tried this recipe?Mention @theliveinkitchen or tag #theliveinkitchen!

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Comments

    4.07 from 80 votes (65 ratings without comment)

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  1. Smitten Foodie says

    January 05, 2013 at 11:13 am

    This sounds so delicious, this might be the recipe to get the hubs to eat quinoa:)

    Connie

    Reply
  2. Michelle King says

    January 05, 2013 at 3:09 pm

    I love the comment about your husband asking if he was supposed to eat the "bucket" it comes in....lol...that is totally the type of comments I get from my other half. I'm glad to find recipes that I can hide peppers in. He'll eat them if he can't see them.
    Thanks for the recipe.

    Reply
  3. carrie says

    January 08, 2013 at 9:00 pm

    This looks great! Is it in a 9x13 (can't quite tell)?

    Reply
    • Lindsay says

      January 08, 2013 at 9:17 pm

      The photograph is a smaller dish but 9x13 is the appropriate size for the full recipe.

      Reply
  4. Karielyn says

    January 13, 2013 at 7:59 pm

    Hi Lindsay! I made a vegan version of your recipe (actually twice!) and have it posted if you have any vegan readers that are interested http://thehealthyfamilyandhome.com/vegan-southwest-quinoa-bake/

    Thanks for sharing, this is one of my favorites now! 🙂

    Reply
    • Lindsay says

      January 14, 2013 at 8:26 pm

      That's awesome! Thanks for sharing your vegan version!

      Reply
  5. Ruth Cooper says

    January 19, 2013 at 5:00 pm

    I had all the ingredients except a zucchini - which I dont care for anyhow. This made a huge amount. Would be great for a potluck dish or when company is coming over. I had never made anything with Quinoa before and the fellas eyed it suspiciously but ate it up.

    Reply
  6. Brooke says

    January 23, 2013 at 1:01 am

    Could I make this ahead of time and just pop it in the oven to reheat it for dinner?

    Reply
    • Lindsay says

      January 24, 2013 at 7:02 pm

      Definitely!

      Reply
  7. Kristen says

    January 24, 2013 at 8:37 pm

    Sounds wonderful and will definitely try it. Just wondering of any other good and tasty substitute for the can of diced tomatoes??? My daughter seems to be allergic and we have cut tomatoes out of the menu for now. I am running out of tomato-less ideas. Thanks!

    Reply
    • Lindsay says

      January 25, 2013 at 7:55 pm

      I would suggest just leaving them out and substituting more of the other vegetables such as peppers or beans.

      Reply
  8. Elizabeth says

    February 13, 2013 at 10:07 pm

    Thank you so much for this. It is so good and filling. I will be sharing it with my family this week!

    Reply
  9. nannylaurie says

    February 18, 2013 at 12:43 pm

    Do you have the nutrisioal breakdown?

    Reply
    • Lindsay Moe says

      February 18, 2013 at 2:30 pm

      Reply
  10. Kristin says

    February 28, 2013 at 10:22 pm

    I saw this recipe on pinterest, and clicked on it to read through the ingredients. I have to say, being a mom of a 9 month old, and struggling to get my head on each morning, this post made me giggle. I just wanted to thank you for the humor on a Thursday evening when I am contemplating going to bed early, or actually cleaning up after making dinner. Probably bed. Thanks again.

    Reply
    • Lindsay Moe says

      March 01, 2013 at 3:41 pm

      So glad I could make you smile! I hope you got some rest!

      Reply
  11. DianaM says

    March 04, 2013 at 9:11 am

    Great recipe! Thanks for posting. Love quinoa and good way to get in your veggies. I just used a can of Rotel instead of the tomatoes and chilies because I already had it.

    Reply
  12. Crystal says

    March 12, 2013 at 11:24 am

    This was my first time cooking with quinoa and loved the results. The casserole was delicious. I'm planing on making it with an Italian twist next. Thanks for sharing!

    Reply
    • Lindsay Moe says

      March 12, 2013 at 2:47 pm

      I'd never thought of an Italian twist! Sounds yum!

      Reply
  13. Miranda says

    March 13, 2013 at 8:39 am

    I'm in love!! I love quinoa anyway, and I'm sure my husband is tired of seeing it every night. But this was new, different, and delish! I cooked and added two boneless, skinless chicken breasts to mine. Im not a huge fan of green peppers, so I diced them up really good and didn't even know they were there. I also used the can of diced tomatoes with green chiles. This was a hit last night and also what Im having for lunch today! Im counting down until 12 o'clock! 🙂

    Reply
  14. Wendy says

    March 15, 2013 at 1:30 pm

    Wow, I just made this and it is delicious!!! I shredded some pepper jack cheese for the top and used red quinoa. Thanks for the recipe! I'll definately make it again!

    Reply
  15. Tiffany says

    March 19, 2013 at 5:58 pm

    Can you use freshly cut tomatoes/cherry tomatoes instead of canned? how much would you recommend?

    Reply
    • Lindsay Moe says

      March 19, 2013 at 10:26 pm

      Definitely! I would use one pint of cherry tomatoes halved or quartered or four romas seeded and chopped.

      Reply
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lindsay moe in a kitchen with glasses on shelves behind her

Hi, I'm Lindsay! I've been creating easily customizable vegetarian recipes since 2011. I love the outdoors, brownies, and brand new books. I live and work in La Crosse, Wisconsin and founded Wild Flour Media to expand on my love for food photography and videography to my community and beyond.

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