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Home > Recipes > Main Dishes

Vegan Fajitas

Published: Oct 3, 2019 · Modified: Apr 27, 2025 by Iosune Robles · This post may contain affiliate links

5 from 1 vote
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A shot of a plate with vegan fajitas served in tortillas

Vegan fajitas, made with seitan and veggies. They're so tasty, satiating, easy to prepare and delicious with some tortillas and your favorite toppings.

A picture of 3 vegan fajitas

I've been obsessed with these vegan fajitas, the recipe is so simple, they're extremely flavorful, and they make a wonderful plant-based dinner. I could eat them all day long, though!

A fajita in Tex-Mex and Mexican cuisine is any grilled meat that is served as a taco on a flour or corn tortilla, which is usually cooked with onions and bell peppers and served with other condiments.

To make my fajitas vegan, I've used seitan, which is really similar to beef (the most common meat used to make fajitas). However, any other meat alternative will work as well, like tofu, tempeh, mushrooms or even beans.

Please feel free to use any veggies you have on hand, but onion and red bell peppers are my favorite ones for this recipe. I've used red, green and yellow red bell pepper. However, you don't need to use 3 different colors, 1 or 2 are okay and also any type of onion will do.

My favorite way to enjoy fajitas is serving then with some flour tortillas, but corn tortillas are really delicious as well (unfortunately I can't find good quality corn tortillas in my area) and they're a great option if you're gluten-free.

How to make vegan fajitas – Step by step

Step by step photos of how to make vegan fajitas
  • Add all the marinade ingredients to a bowl and stir until well combined (photo 1). Cover and refrigerate for at least 15-30 minutes.
  • Drain the seitan, but don't discard the marinade. Cook the seitan in a skillet over medium-high heat for 5-10 minutes or until golden brown (photo 2). Set aside.
  • Add the veggies, salt, and marinade to the skillet. Stir and cook over medium-high heat for 5-10 minutes or until golden brown (photo 3). Add some oil if needed.
  • Add the cooked seitan to the skillet, stir and cook for 1-2 more minutes. Enjoy immediately just by itself or with tortillas and your favorite toppings or keep leftovers in the fridge or the freezer.

Pro tips

  • Feel free to use homemade or store-bought seitan.
  • If you can't eat gluten, use any other meat alternative like tofu, tempeh, mushrooms or even legumes instead of the seitan.
  • Use any veggies or oil you have on hand. If you're oil-free, use some water or vegetable stock instead.
  • If you don't like your food spicy, just omit the red pepper flakes. You can also add any other ingredient to make your fajitas spicy like sriracha, jalapeños, cayenne powder, etc.
  • Lime juice can be replaced by lemon juice.
A close shot of a skillet with vegan fajitas

What goes well with fajitas?

You can serve fajitas with all kinds of ingredients and sauces, but these are my favorite toppings and sides:

  • Flour or corn tortillas
  • Rice
  • Guacamole
  • Vegan sour cream
  • Salsa
  • Pico de gallo
  • Vegan chipotle sauce
  • Avocado
  • Chopped tomato
  • Shredded lettuce
  • Beans
  • Vegan cheese (they're delicious with my vegan Parmesan cheese)

How do you eat fajitas?

The most delicious and popular way to enjoy fajitas is by taking a flour or corn tortilla, filling it with the fajita filling, adding your favorite toppings and enjoying them with your hands. Feel free to serve them with a side like beans and rice as well.

Can you freeze fajitas?

Yes, and there are to ways you can freeze them. First, cook your fajitas following my directions and keep leftovers in a sealed container in the freezer for up to 3-6 months. The night before you're going to eat your fajitas, transfer the container to the fridge to defrost by itself and then reheat them. This is my favorite way.

The other way is freezing the ingredients before cooking them. Just mix all the ingredients in a bowl until well combined and freeze them in an airtight container for up to 3-6 months. The night before you're going to cook your fajitas, transfer the container to the fridge to defrost by itself and then cook then according to this recipe directions.

Looking for more Mexican-style recipes?

  • Vegan Burrito
  • Vegan Tacos
  • Vegan Enchiladas
  • Vegan Refried Beans
A frontal shot of a dish with vegan fajitas

Did you make this vegan fajitas recipe?

Please leave a comment below, share it or rate it. You can also FOLLOW ME on FACEBOOK, INSTAGRAM, and PINTEREST. I’d love to see what you cook!

Small picture of a dish with some fajitas
5 from 1 vote

Vegan Fajitas

Vegan fajitas, made with seitan and veggies. They're so tasty, satiating, easy to prepare and delicious with some tortillas and your favorite toppings.
Prep: 10 minutes mins
Cook: 20 minutes mins
Total: 30 minutes mins
Servings: 4
PRINT PIN COMMENT


Ingredients 
 

For the marinade:

  • ½ pound of seitan, sliced
  • ⅛ teaspoon ground black pepper
  • ⅛ teaspoon red pepper flakes, optional
  • 1 teaspoon ground cumin
  • 1 teaspoon dried oregano
  • 1-2 cloves of garlic, minced
  • 2 tablespoon lime juice
  • 2 tablespoon extra virgin olive oil

For the veggies:

  • ½ red onion, julienned
  • ½ green bell pepper, julienned
  • ½ yellow bell pepper, julienned
  • ¼ teaspoon salt
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Instructions 

  • Add all the marinade ingredients to a bowl and stir until well combined. Cover and refrigerate for at least 15-30 minutes, ideally for 2 hours or even overnight.
  • Drain the seitan, but don't discard the marinade. Cook the seitan in a skillet over medium-high heat for 5-10 minutes or until golden brown. Set aside.
  • Add the veggies (onion and peppers), salt and marinade to the skillet. Stir and cook over medium-high heat for 5-10 minutes or until golden brown. Add some oil if needed.
  • Add the cooked seitan to the skillet, stir and cook for 1-2 more minutes. Serve immediately.
  • Keep leftovers in a sealed container in the fridge for 5-7 days or in the freezer for up to 3-6 months.

Notes

  • Feel free to use homemade or store-bought seitan.
  • If you can't eat gluten, use any other meat alternative like tofu, tempeh, mushrooms or even legumes instead of the seitan.
  • Use any veggies or oil you have on hand. If you're oil-free, use some water or vegetable stock instead.
  • If you don't like your food spicy, just omit the red pepper flakes. You can also add any other ingredient to make your fajitas spicy like sriracha, jalapeños, cayenne powder, etc.
  • Lime juice can be replaced by lemon juice.

Nutrition

Serving: 1serving | Calories: 152kcal | Carbohydrates: 4.8g | Protein: 14g | Fat: 8.1g | Saturated Fat: 1.3g | Sodium: 436mg | Fiber: 1.8g | Sugar: 2g
Tried this recipe?Leave a comment below and let me know how it was!
Course: Main Dish
Cuisine: Mexican
Author: Iosune Robles

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Comments

  1. Shannon says

    March 02, 2023 at 7:22 pm

    5 stars
    These fajitas are delicious! Thanks for sharing your recipe with us.

    Reply
    • Iosune says

      March 03, 2023 at 8:58 am

      Hi Shannon! So glad you liked them 🙂

      Reply
  2. Sara says

    December 17, 2020 at 1:29 am

    5 stars
    Delicious fajitas! I did add a bit of chipotle chili pepper for some extra heat. Will definitely make again! Thank you for sharing.

    Reply
    • Iosune Robles says

      December 17, 2020 at 2:33 pm

      Hi Sara! So glad you liked it 🙂 Thanks for your comment!

      Reply
  3. Ann says

    October 25, 2019 at 9:33 am

    5 stars
    Mmm, I was just looking for some interesting snack option for the upcoming party. I have never tried dishes with seitan, but my friends say that it is very tasty. I will definitely try to cook these fajitas! It's great that it is possible to change the rest of the ingredients and sauces, and in any case it will turn out to be tasty and aromatic. Thank you for the idea!

    Reply
    • Iosune says

      October 29, 2019 at 1:03 pm

      Hi Ann! Hope you enjoy it 🙂

      Reply
  4. Brian says

    October 08, 2019 at 3:44 am

    Looks very tasty!

    Reply
    • Iosune says

      October 29, 2019 at 12:03 pm

      Hi Brian! Thanks a lot 🙂

      Reply
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A shot of a plate with vegan fajitas served in tortillas
Iosune with a glass of juice.

Hi, I'm Iosune!

I share easy and delicious vegan recipes perfect for everyday meals and special occasions, all made with simple, everyday ingredients.

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