Mushroom and Steak Fajita Sandwiches

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This healthy sandwich is good for lunch or dinner!


Eat this Fajita Sandwich and you’ll not only get plenty of protein, but add to that a wealth of niacin, phosphorus, zinc, selenium and vitamins B6 and B12.

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Mushroom and Steak Fajita Sandwiches

High in protein, this flavorful sandwich is full of vitamins and minerals that your body will love.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Yield 4 people
Serving Size 1 each
Course Dinner, Lunch
Cuisine Universal
Author SkinnyMs.


  • 1.5 tablespoon olive oil
  • 1 red onion sliced into strips
  • 2 garlic cloves minced
  • 1 red bell pepper cut into strips
  • 1 pound beef sirloin tip steak cut into thin strips; grass-fed beef recommended
  • 4 ounces white mushrooms sliced
  • 2 teaspoons dried oregano
  • 1/2 teaspoon black pepper
  • salt to taste
  • 2 whole wheat pita pockets cut in half
  • 4 romaine lettuce leaves torn into small pieces
  • 1/4 cup Greek yogurt fat free plain or fat free sour cream - optional


  • Preheat oven to 350 degrees.
  • In a large skillet, on medium-low heat, sauté mushrooms in 1 tablespoon olive oil, about 6 minutes. Add onions, garlic and bell peppers and continue sautéing until onions and peppers are tender, about 4 minutes. Add in sirloin strips, and cook on medium heat for about 5-10 minutes or until no longer pink. Sprinkle with salt and pepper and oregano. Stir well, cover and simmer for 5 more minutes. Drain mixture.
  • Cut pita bread in half, brush remaining oil on all sides, place on a cookie sheet for 3-5 minutes, just long enough to warm. Stuff pita pockets with meat mixture, romaine lettuce and top with a dollop of yogurt or sour cream.

Nutrition Information

Serving: 1each | Calories: 306kcal | Carbohydrates: 23g | Protein: 31g | Fat: 10g | Saturated Fat: 2g | Cholesterol: 70mg | Sodium: 200mg | Potassium: 778mg | Fiber: 5g | Sugar: 4g | Vitamin A: 3387IU | Vitamin C: 42mg | Calcium: 58mg | Iron: 5mg |
SmartPoints (Freestyle): 7
Keywords Kid-Friendly

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Mushroom and Steak Fajita Sandwiches recipe is featured in our new cookbook, Skinny Ms. Superfoods. You can check it out here!

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The SkinnyMs. team believes that all people, regardless of age, size, and fitness level, have the power to transform their lives — they just need the resources to do so. The SkinnyMs. method promotes healthy living through a combination of clean eating and regular exercise. We offer everything you need to be successful.

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  1. I just made these last weekend and my husband and I both loved them—and he's sometimes picky about anything new.  Loved this–it's my favorite so far.  (But I haven't tried the fudge yet!)

  2. I just made these last weekend and my husband and I both loved them—and he’s sometimes picky about anything new.  Loved this–it’s my favorite so far.  (But I haven’t tried the fudge yet!)

  3. Just made for lunch…added a splash of liquid smoke & sprinkle of cumin….the greek yogurt was a perfect touch! My 9 yo daughter "yummed" the whole time 🙂

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