Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (2024)

by Ashley Manila 44 Comments

This easy, cheesy Veggie Fajita Quinoa Casserole is ready in just 45 minutes! And the leftovers are even MORE delicious the next day. Vegetarians and carnivores love this easy veggie casserole recipe!

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (1)

Fajita Casserole

Hi and happy January! We’re barely a week into this new year and I’m already finding myself craving comfort food… HARD. So I have to ask… am I alone on this?

I know I should be preaching smoothies and salad, but I have to level with you, when it’s 10 degrees and hailing, cheese and carbs are the only thing saving my sanity. #hardcoldtruth

Today’s recipe is inspired by my wildly popular One-Pan Veggie Fajita Pasta. I took all those wonderful fajita flavors and turned it into this creamy, dreamy casserole. Each bite is wonderfully cheesy, loaded with fresh veggies, packed with protein, and naturally gluten free.

I sprinkled a little avocado, tomato, and cilantro on top for extra pizzazz. So, are you hungry yet?

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (2)

Alright, so let the veggie fajita quinoa casserole chit chat begin! And don’t worry, nothing too fancy here. For this recipe you’ll need quinoa, olive oil, a slew of spices, red onion, bell peppers, crushed tomatoes, white beans, cilantro, shredded Colby-Jack cheese, avocado, and tomato.

↑ SO many fresh ingredients = SO MUCH FLAVOR.

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (3)

I like to chop my peppers and onion into quarters before thinly slicing them so they’re nice and bite sized. But really… you can chop yours any way you’d like!

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (4)

You’ll cook the onions and peppers in a fiery red sauce before combing all of the ingredients in a large bowl. It’s really simple and really delicious!

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (5)

Let me tell you a few reasons why I’m SO crazy over this veggie fajita quinoa casserole:

  • It’s extremely versatile! Serve it with a side salad, or a piece of steak, or scoop it into warm flour tortilla. Any way you serve it, you’re bound to fall in love.
  • The leftovers are AMAZING. And they taste even better the next day. Packed lunch never tasted so good!
  • There are so many ways to get creative! Seriously… what’s your favorite cheese? Use it instead of the Colby-Jack. Love black beans? Use them in place of the white beans. Looking for a heartier spin? Add grilled chicken or shrimp! The options are endless.

This recipe is already a favorite in our home… hope it becomes one in yours too!

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (6)

If you try this easy veggie casserole recipe, let me know! Leave a comment below and don’t forget to snap a pic and tag it #bakerbynature on instagram! Seeing your kitchen creations makes my day.

Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (7)

Veggie Fajita Quinoa Casserole

Ashley Manila

A delicious and healthy veggie fajita bake loaded with quinoa, beans, cheese, and fresh vegetables! The leftovers last for up to three days and taste incredible.

4.80 from 15 votes

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Prep Time 20 minutes mins

Cook Time 20 minutes mins

Total Time 40 minutes mins

Course Dinner

Cuisine Mexican

Servings 6 servings

Ingredients

  • 1 cup quinoa
  • 3 tablespoons olive oil
  • 1/2 teaspoon crushed chipotle chili flakes (add a little more if you like heat)
  • 1 and 1/2 tablespoons chili powder
  • 1 and 1/2 teaspoons dried oregano
  • 1 and 1/2 teaspoons cumin
  • 1 and 1/2 teaspoons garlic powder
  • 3/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 red bell pepper, seeded and thinly sliced
  • 1 orange bell pepper, seeded and thinly sliced
  • 1 yellow bell pepper, seeded and thinly sliced
  • 1 medium red onion, peeled and thinly sliced
  • (1) 28 ounce can crushed tomatoes
  • 1 cup canned white beans, drained and rinsed
  • 1/4 cup fresh cilantro leaves, chopped
  • 1 and 1/2 cups Colby-Jack cheese, shredded
  • Diced avocado, tomato, cilantro, and red onion, diced, for garnish (optional)

Instructions

  • Preheat oven to 375 degrees (F). Lightly grease a 2 quart baking dish; set aside.

  • In a large saucepan add 2 cups water and cook quinoa according to package instructions. Once fully cooked, transfer it to a large bowl and set aside.

  • Heat olive oil in a saucepan over medium high heat. Stir in crushed chipotle chili flakes, chili powder, dried oregano, cumin, garlic powder, salt and pepper and whisk to combine. Add in the red, orange, and yellow peppers and red onion, stir to combine and cook, stirring frequently, for 8 minutes. Add in the crushed tomatoes and bring to a boil; reduce heat and simmer for 10 minutes. Stir in the white beans and remove from heat.

  • Into the large bowl holding the quinoa add the pepper mixture, cilantro, and half of the cheese; stir well to combine.

  • Spread the quinoa mixture into the prepared baking dish and evenly top with the remaining cheese. Place the pan into the oven and bake for 20 minutes, or until the cheese is golden, bubbly, and melted.

  • Serve at once, garnished with avocado, tomato, cilantro, and red onion, if desired.

Notes

Feel free to use black beans or kidney beans in place of the white beans.

Tried it and loved it?Snap a picture and share it with me on Instagram @Bakerbynature and by using the hashtag #BakerByNature

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  1. Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (13)Alyssa says

    Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (14)
    Great gluten free and vegetarian meal! Not too heavy and lots of flavor.

    Reply

  2. Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (15)Esther says

    Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (16)
    I made this for the first time last night. Since it’s just my husband and I, I often worry when I make something with so many portions. There was no need to worry. My hard to please husband made the following comments “this is perfect the way it is”, “ please make this again”, and “yes this is company worthy”. I used soy cheese to keep it vegan and chick peas but will try it with black beans. I topped it with avocado, green onions and sour cream. The quinoa gave the texture of ground beef. I am looking forward to the leftovers today.

    Reply

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Veggie Fajita Quinoa Casserole - Easy Vegetarian Fajita Casserole Recipe (2024)
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