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Chicken Fajita Sub

Chicken Fajita Sub sandwiches are perfect for a busy weeknight. Toasted sub rolls filled with melted cheese, fajita seasoned chicken, peppers and onions.

Sub sandwich with chicken fajita filling.

Fajitas are always a favorite when we go out to eat and we also love making them at home. We also love Chicken Fajita Salad and Chicken Fajita Pasta, so we decided to mix it up this week by turning chicken fajitas into the most incredible sub sandwiches.

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Ingredients Needed

Find the full measurements and instructions in the recipe card at the bottom of the page.

  • Chicken – Boneless, skinless thighs or breasts.
  • Olive Oil
  • Orange Juice – Lime juice or pineapple juice can be substituted
  • Brown Sugar
  • Granulated Garlic
  • Chili Powder
  • Ground Cumin
  • Kosher Salt
  • Black Pepper
  • Onions – Yellow Onions or any sweet onion.
  • Bell Peppers – Any combination of red, green, orange or yellow.
  • Sliced Cheese – Pepper Jack or Colby Jack.
  • Hoagie Buns or soft Italian rolls.

Step-by-Step Directions for Chicken Fajita Sub Recipe

Collage of marinating chicken, sliced vegetables, cooking mixture in a skillet.
  1. Slice chicken into 1/2 inch strips.
  2. Mix the fajita marinade in a bowl: whisk together Olive oil, orange juice, brown sugar, garlic, chili powder, cumin, salt and pepper.
  3. Place sliced chicken into the marinade and mix well. Cover and refrigerate 1 – 4 hours.
  4. Slice the onions and peppers into thin slices, removing pepper seeds and membranes.
  5. Heat a cast iron skillet over high heat.
  6. Pour chicken along with marinade and vegetables into the hot skillet.
  7. Cook for 3 minutes, stirring frequently. Lower to medium-high heat and continue to cook until vegetables are softened and chicken is cooked through to 165° using a digital meat thermometer. Remove from heat and set aside.
Making sub sandwiches with chicken fajitas.
  1. Cut about a 2 inch piece from the top of each roll in a diamond shape, leaving the ends intact to create a place for the filling.
  2. Preheat the broiler.
  3. Line each roll with 2-3 slices of cheese.
  4. Fill each with fajita mixture.
  5. Place under the broiler for 3-5 minutes or until buns are golden brown and cheese is melted.
  6. Slice sandwiches in half and serve immediately.
Chicken fajita sandwich in a basket with tomatoes.

Recipe Notes

  • Storage: Wrap cooled sandwiches in plastic wrap or aluminum foil and refrigerate up to 2 days.
  • Reheat: Wrap sandwiches in aluminum foil and place on a baking sheet. Cook for 10-12 minutes at 350° or until heated through.

More Delicious Sandwiches to Try

Basket with chicken fajita toasted sandwich.

Switch up the dinner routine this week with an amazing Chicken Fajita Sub sandwiches. They are filled with amazing Tex-Mex flavors on a toasted sub bun with melted cheese.

If you love this recipe as much as we do, please leave a comment and a five star review. Help us share on Pinterest, Instagram and Facebook!

Chicken fajita sub on a checked paper lined basket.
Print Recipe
5 from 3 votes

Chicken Fajita Sub

Chicken Fajita Sub sandwiches are perfect for a busy weeknight. Toasted sub rolls filled with melted cheese, fajita seasoned chicken, peppers and onions.
Prep Time10 minutes
Cook Time20 minutes
Marinating1 hour
Course: Chicken
Cuisine: American
Keyword: chicken fajitas, chicken sandwich, Sub Sandwiches
Servings: 4
Calories: 1170kcal
Author: Milisa

Ingredients

  • 1 1/2 pounds chicken thighs boneless, skinless
  • 1/2 cup olive oil extra virgin
  • 1/2 cup orange juice
  • 1/3 cup brown sugar
  • 1 tablespoon granulated garlic
  • 1 tablespoon chili powder
  • 1 tablespoon ground cumin
  • 1 tablespoon kosher salt
  • 1 tablespoon black pepper
  • 2 onions yellow or sweet, large
  • 3 bell peppers medium size
  • 4 sub buns or soft Italian rolls
  • 12 slices pepper jack cheese

Instructions

  • Slice chicken into 1/2-inch strips.
  • Mix the fajita marinade in a bowl: whisk together Olive oil, orange juice, brown sugar, garlic, chili powder, cumin, salt and pepper.
  • Place sliced chicken into the marinade and mix well. Cover and refrigerate 1 – 4 hours.
  • Slice the onions and peppers into thin slices, removing pepper seeds and membranes.
  • Heat a cast iron skillet over high heat.
  • Pour chicken along with marinade and vegetables into the hot skillet.
  • Cook for 3 minutes, stirring frequently. Lower to medium-high heat and continue to cook until vegetables are softened and chicken is cooked through to 165° using a digital meat thermometer. Remove from heat and set aside.
  • Cut about a 2 inch piece from the top of each roll in a diamond shape, leaving the ends intact to create a place for the filling.
  • Preheat the broiler.
  • Line each roll with 2-3 slices of cheese.
  • Fill each with fajita mixture.
  • Place under the broiler for 3-5 minutes or until buns are golden brown and cheese is melted.
  • Slice sandwiches in half and serve immediately.

Notes

  • Storage: Wrap cooled sandwiches in plastic wrap or aluminum foil and refrigerate up to 2 days.
  • Reheat: Wrap sandwiches in aluminum foil and place on a baking sheet. Cook for 10-12 minutes at 350° or until heated through.

Nutrition

Serving: 1g | Calories: 1170kcal | Carbohydrates: 69g | Protein: 51g | Fat: 78g | Saturated Fat: 24g | Polyunsaturated Fat: 10g | Monounsaturated Fat: 37g | Trans Fat: 0.1g | Cholesterol: 223mg | Sodium: 2594mg | Potassium: 865mg | Fiber: 5g | Sugar: 31g | Vitamin A: 4095IU | Vitamin C: 134mg | Calcium: 558mg | Iron: 15mg

3 Comments

  1. 5 stars
    I put together these Chicken Fajita Sub sandwiches for a quick dinner, and it was a cinch! I toasted the rolls, cooked up the seasoned chicken and veggies, melted some cheese on top, and voila! A tasty meal in no time.

5 from 3 votes

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