Vegetarian Fajitas

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These healthy Vegetarian Fajitas are loaded with peppers, onions, and mushrooms and are easy to make at home. You can have them on the dinner table in under 30 minutes.

Vegetarian Fajitas

Fajitas are my favorite thing to order when we go out for Mexican, but we don’t get out much so I make them at home. And honestly, I kind of prefer my homemade vegetarian fajitas! They are SO good and I don’t end up eating a bucket of chips and salsa at home…ha! Why is it so hard to stop eating ALL of the chips and salsa before your meal comes? I have no self control. Anyways, moving onto these delicious FAJITAS!!!

This vegetarian main dish is loaded with colorful, delicious vegetables, and the topping combinations seal the deal. I am all about the toppings. This is also a super cost-effective way to make a weeknight meal and you can have these veggie fajitas on the dinner table in under 30 minutes! Dinner WIN!

Veggie Fajitas

How Do you Cut Vegetables for Fajitas?

This recipe has red, green, and yellow bell peppers. I core the bell peppers, removing all seeds and the stem, and cut them into long, thin strips for fajitas. I cut the red onion in long strips as well. For the mushrooms, I like them sliced fairly thick so they are nice and hearty in the fajitas.

You can cut up the veggies in advance, just keep them in a container in the fridge until you are ready to make the fajitas. Veggie fajitas are a great meal prep meal!

Fajita Seasoning

Of course, there are tons of pre-made seasoning mixes you can buy at the grocery store, but I like to make my own fajita seasoning with the spices I have at home! This lets you control the spice and flavoring…plus there are no weird added ingredients that I can’t pronounce. And it only takes a couple of minutes!

I make Vegetarian Fajita seasoning mix with:

  • Chili powder
  • Cumin
  • Garlic powder
  • Onion powder
  • Smoked paprika
  • Cayenne pepper (just a pinch!)
  • Salt and pepper

SO SIMPLE! You can also make the fajita seasoning in advance so it is ready to go! I told you this was a good meal prep meal!

Vegetarian Fajitas Recipe

How to Make Vegetarian Fajitas

  • Combine all the seasoning spices in a small bowl and set it to the side. We’ll come right back to that!
  • Heat the oil in a large cast-iron skillet over medium-high heat. I like to use a cast-iron skillet because it chars the vegetables and gives them extra flavor.
  • Put the peppers, onion, and mushroom in and give it a good toss. You want everything coated by oil so it cooks evenly and cleanly!
  • Now add in the fajita seasoning we just mixed, stir everything to coat, and let it all cook for 5 minutes. Stay nearby and stir it frequently!
  • Right at the end stir in the garlic and lime juice. Let that cool for just 2 minutes or so. You want the veggies slightly crisp but still tender on the inside!
  • You can serve fajitas in flour tortillas or corn tortillas. Both are tasty!
How to Make Vegetarian Fajitas


Bring on the toppings! This is where everyone can personalize their dish! Here are a few of our favorites!

  • Pico de Gallo or Salsa
  • Guacamole
  • Crumbled queso fresco
  • Shredded cheese
  • Sour cream (or plain Greek yogurt!)
  • Fresh lime wedges
  • Fresh cilantro

Serving Suggestions

Here are a few side dishes that go great with Vegetarian Fajitas!

Easy Vegetarian Fajitas

More Fajita Recipes

Best Vegetarian Fajitas
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Vegetarian Fajitas

These healthy Vegetarian Fajitas are loaded with peppers, onions, and mushrooms and are easy to make at home. You can have them on the dinner table in under 30 minutes.
4.72 from 14 votes


Fajita Seasoning:

For the fajitas:

  • 2 tablespoons olive oil or avocado oil
  • 1 green bell pepper, sliced
  • 1 red bell pepper, sliced
  • 1 yellow bell pepper, sliced
  • 1 medium red onion, sliced
  • 8 oz mushrooms, sliced
  • 2 cloves garlic, minced
  • 1 tablespoon fresh lime juice

For serving:

  • Tortillas, corn or flour
  • Guacamole
  • Pico de Gallo
  • Cilantro
  • Lime wedges
  • Crumbled queso fresco or shredded cheese, optional
  • Sour cream or plain Greek yogurt, optional


  • In a small bowl, combine the chili powder, cumin, garlic powder, onion powder, smoked paprika, cayenne pepper, salt and pepper.
  • In a large cast iron skillet, heat the oil over medium-high heat. Add the peppers, onion, and mushrooms and stir until the veggies are coated in the oil. Add the fajita seasoning and cook for 5 minutes, stirring frequently. Stir in the garlic and lime juice and cook for 2 minutes. The vegetables should be tender but still slightly crisp.
  • Serve the veggie fajita filling with tortillas and desired toppings.


Calories: 109kcal, Carbohydrates: 9g, Protein: 3g, Fat: 8g, Saturated Fat: 1g, Sodium: 605mg, Potassium: 387mg, Fiber: 2g, Sugar: 3g, Vitamin A: 1521IU, Vitamin C: 119mg, Calcium: 17mg, Iron: 1mg
Keywords vegan, vegetarian

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I'm Maria and my husband is Josh. We share a love of cooking, baking, and entertaining. We enjoy creating recipes that are simple, fresh, and family friendly. We love sitting around the table with good food, good conversation, and good friends and family! Our kitchen is always open!
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  1. 5 stars
    I’ve made this twice now and my hubs and I love it! So easy and tasty. He made it the second time around and said he wanted to use less lime juice next time, so that means I’ll have lime wedges nearby for mine since I thought it was perfect and that he is an obsessive tinker-er.

  2. 5 stars
    These are delicious! It honestly takes more time to chop up the vegetables than it does to cook the meal. The mushrooms make all of the difference. I do not like chili powder so I cut it back to one teaspoon and the flavor was perfect for us.

  3. 5 stars
    It is DEVINE! I was scared to add mushrooms but you can’t even tell that they are there. I made it with some beans and it was really good.