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3 sandwiches stacked on each other with filling spilling out on wooden board

Chicken Fajita Grilled Cheese Sandwich

If you like a good fajita you're gonna fall in love with this Chicken Fajita Sandwich. It's easy, cheesy and bursting with flavour!
5 from 4 votes
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Course: Dinner, lunch
Cuisine: American, Mexican, Tex Mex
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings (click & slide): 4 sandwiches
Calories per serving: 666kcal
Author: Chris
Cost per serving: £2 / $2.50

Equipment

  • Large Fry Tong & Tongs
  • Spatula/Turner
  • Sharp Knife & Chopping Board
  • Paper Towels (optional)

Ingredients

  • 8 medium slices of Bread (see notes)
  • 2x 7-9oz/200-250g Chicken Breasts, brought close to room temp
  • 2 tbsp + 1 tsp Fajita Seasoning (see notes)
  • 6 square slices of Monterey Jack or Cheddar
  • 1 cup / 100g Mexican Cheese Blend, shredded (or more Monterey Jack/Cheddar)
  • 3 Peppers, sliced (red, yellow, green)
  • 1 medium Red Onion, sliced
  • Butter, as needed
  • Olive Oil, as needed
  • Salsa/Sour Cream, to serve

Instructions

  • Prep Chicken: Butterfly your chicken breasts right through to make 4 even sized breasts. Cover in 2 tbsp fajita seasoning.
  • Fry Chicken: Add a drizzle of oil to a large pan over medium-high heat. Add chicken and fry both sides until lightly charred and white through the centre. Place to one side to rest, then slice into thin strips when needed.
  • Veg: Add a drizzle more oil to the pan if needed. Add peppers & onion and fry until they begin to soften. Sprinkle in 1 tsp fajita seasoning and continue frying until they begin to char and completely soften. Remove and place to one side. Turn heat off. Wipe with paper towels if a considerable amount of char is left.
  • Sandwich: Butter one side of each of your slices of bread. Allow pan to cool slightly and keep the heat off at this point. Add in 2 slices of bread butter-side-down, then top 1 1/2 slices of cheese each. Top with peppers/onion then add chicken (1 sliced breast per sandwich). Sprinkle with more cheese then add bread butter-side-up.
  • Fry: Turn heat to a medium and fry both sides until golden, with the cheese nice and gooey. Repeat with remaining sandwiches, then slice in half and serve with sour cream/salsa!

Quick Demo

Notes

a) Fajita Seasoning - You can use store bought or make your own. My homemade version makes 3 tbsp worth, so a little more than you'll need. Here's what you'll need: 
  • 2 tsp Cumin
  • 2 tsp Paprika
  • 1 tsp Garlic Powder
  • 1 tsp Oregano
  • 1/2 tsp Onion Powder
  • 1/2 - 1 tsp Salt
  • 1/2 tsp Cayenne Pepper (or to spice preference)  
  • 1/4 tsp Black Pepper
If you're using store bought just check how salty it is. You might need to add more salt, especially on the chicken.
b) Bread - Try and use oval shape slices i.e the same kinda shape as the chicken. Square slices don't work particularly well. I usually go for Italian style bread or a White Bloomer. Sourdough will also work nicely.
c) Calories - Per sandwich with no sides, assuming 1 tbsp olive oil and 4 tbsp butter is used in total:
Nutrition Facts
Chicken Fajita Grilled Cheese Sandwich
Amount Per Serving
Calories 666 Calories from Fat 341
% Daily Value*
Fat 37.85g58%
Saturated Fat 19.13g120%
Trans Fat 0.515g
Polyunsaturated Fat 2.604g
Monounsaturated Fat 11.451g
Cholesterol 166mg55%
Sodium 986mg43%
Potassium 834mg24%
Carbohydrates 32.32g11%
Fiber 2.9g12%
Sugar 3.29g4%
Protein 47.61g95%
Vitamin A 1307IU26%
Vitamin C 256.1mg310%
Calcium 554mg55%
Iron 3.22mg18%
* Percent Daily Values are based on a 2000 calorie diet.
*Nutrition is based on the absence of salt unless stated as a measurement in the ingredients. Cost is worked out based on ingredients bought from UK supermarkets, then divided by the number of servings. In both instances these values are just for guidance. Please check out my FAQ Page for more info.
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