VeganPreps

Funtastic Seitan Fajitas (Quick & Easy)

Prep5 min
|
Cook15 min
|
Total20 min
|
Servings6

Jump to Recipe

Funtastic Seitan Fajitas (Quick & Easy)

Browse all Vegan Sandwiches 23 plant-based recipes

These seitan fajitas give you a satisfying meal in about 20 minutes flat. Seitan provides substantial protein that keeps you full longer than carbs alone, so you’ll actually stay satisfied after eating. The quick cooking method – simmering vegetables and seitan together – locks in flavors while softening everything evenly. Since you’re building the filling in one skillet, cleanup’s minimal too. The whole wheat tortillas add fiber for sustained energy. You’re combining complete protein, complex carbs, and vegetables into one portable meal that works for lunch, dinner, or meal prep.

Seitan Strips Provide Plant-Based Protein

Seitan fajitas offer a delicious and satisfying meal that combines plant-based protein with fresh vegetables and warm tortillas. The seitan strips serve as the foundation of this dish, providing substantial protein content while absorbing the flavors of the other ingredients. This recipe brings together simple, wholesome components that create a flavorful and nourishing dining experience suitable for weeknight dinners or meal preparation.

Funtastic Seitan Fajitas (Quick & Easy)

by veganpreps.com

Funtastic Seitan Fajitas (Quick & Easy)

Prep5 min
Cook15 min
Total20 min
Servings6

Ingredients

  • 1 1/2 cups seitan, sliced into thin strips
  • 1 medium yellow onion, sliced into half-moons
  • 1 green bell pepper, julienned
  • 1 red bell pepper, julienned
  • 2 medium tomatoes, diced
  • 1 1/2 tablespoons tamari
  • 1 tablespoon olive oil or neutral cooking oil
  • 1 teaspoon ground cumin
  • 1 teaspoon chili powder
  • 1/2 teaspoon smoked paprika
  • 1/8 teaspoon salt
  • 1/4 teaspoon black pepper
  • 6 whole wheat tortillas (8-inch)

Instructions

  1. 1Heat oil in a large skillet or cast-iron pan over medium-high heat until shimmering.
  2. 2Add onion and bell peppers and cook, stirring occasionally, for 5 to 6 minutes until softened and beginning to char at the edges.
  3. 3Add seitan strips, tamari, cumin, chili powder, smoked paprika, salt, and pepper. Stir to coat and cook for 4 to 5 minutes until the seitan is heated through and lightly browned.
  4. 4Stir in diced tomatoes and cook for 2 minutes until they release their juices and everything is combined.
  5. 5Warm tortillas directly over a gas burner for 20 seconds per side, or in a dry skillet, then divide the filling among them. Serve immediately.

Notes

  • Store leftovers in an airtight container in the fridge for up to 4 days.
  • This recipe freezes well for up to 3 months. Thaw overnight in the fridge before reheating.
  • Adjust seasoning to taste after reheating, as flavors can mellow during storage.

Seitan can be either homemade or purchased pre-packaged as plant-based strips, depending on what works for you and how much time you have. You can mix up the pepper selection by using different colors beyond the green and red peppers listed. I like to add steamed greens into the filling for extra nutrition and something different. The tamari brings out savory depth to the dish, and whole wheat tortillas give you more fiber and better nutrition compared to regular flour tortillas. If you’re prepping this meal to take with you or store it, keep the filling and tortillas separate until you’re ready to eat so your tortillas stay soft and fresh.

Water vs. Oil Method

Funtastic Seitan Fajitas (Quick & Easy) - preparation

To begin making Funtastic Seitan Fajitas, heat about 1/4 cup of water in a skillet and add 1 medium onion sliced into 1/2 moons, allowing it to soften for 3-5 minutes. At this point, you have two options: continue with the water method or switch to oil. If you choose to use oil instead, you can add the seitan and brown it for better flavor and texture, though this addition increases fat content.

If you go with the water method, add 1 1/2 to 2 cups of seitan strips along with all remaining ingredients except the 1 1/2 tablespoons of tamari. These ingredients include 1/2 to 1 green pepper julienned, 1 red pepper julienned, 2 tomatoes, 1/8 teaspoon salt, and 1/4 teaspoon black pepper. Reduce the heat to a simmer, cover the pan, and allow everything to cook together for 5 minutes.

After simmering, tilt the skillet and add the tamari where the juices pool at the bottom of the pan. Let the juices mix together, then stir all the juices throughout the vegetables and seitan. Adjust the seasonings to what you like. Divide the mixture, including the flavorful juices, among 6 whole wheat tortillas and roll them up using your preferred method. Serve with a side salad for a complete meal.

Try Different Pepper Colors

Once you’ve mastered the basic water method and gotten comfortable with the cooking technique, you can start trying different pepper varieties, which’ll add different flavors and colors to your fajitas. Red peppers bring sweetness, yellow ones offer mild flavor, and orange peppers are somewhere in between. Green peppers provide earthier, slightly bitter notes that work well with the seitan. Mix and match whatever you’ve got on hand – there’s no wrong combination. I often grab whatever looks freshest at the market. The color variety makes your plate more visually interesting too, and each pepper adds its own unique taste to your filling.

Add Steamed Greens Inside

If you’re looking to pack more nutrients into your fajitas, adding steamed greens is an easy way to boost the nutritional value without changing the basic cooking method. I like throwing in spinach, kale, or collards because they wilt down nicely and blend seamlessly with the seitan and peppers. Steam your greens separately for about five minutes until tender, then fold them into your filling during the final step. The heat from the other ingredients keeps them warm, and you’ll get extra vitamins and fiber in every bite. Your fajitas become heartier and more satisfying this way.

Final Thoughts

These seitan fajitas come together quickly and taste fantastic, whether you’re cooking for yourself or feeding a crowd. This recipe is adaptable – swap pepper colors, add steamed greens, or experiment with different seitan brands to find your preference. The water-based cooking method keeps everything light while building flavor through the tamari and vegetable juices. You’ll have a satisfying meal ready in under thirty minutes. Pack leftovers separately if you’re taking them somewhere, and don’t skip the side salad – it balances the richness perfectly and rounds out your dinner.

150+ Vegan Recipes are waiting to be cooked
Check out more vegan meal prep recipes
The Best Vegan Tacos Ever (Crispy Tofu) - how to make
Easy and Vegan Desserts
Delicious vegan desserts
Quick Dinner Recipes
Quick vegan dinner recipes
Raw Vegan Chocolate Ice Cream Cupcakes (5-Min) - how to make
Vegan Snacks and Smoothies
Find your next smoothie recipe