Spicy Cajun Chicken

Firehouse Subs Spicy Cajun Chicken

The sub includes grilled chicken breast seasoned with Cajun spices, jalapeños, melted pepper jack cheese, lettuce, onions, deli mustard, and our homemade Cajun mayo.

Prices & Calories

Small – $5.49 (360 cal)

Medium – $9.49 (710 cal)

Large – 13.49 (1170 cal)

Choose your Bread

  • White Bread: $0.00
  • Wheat Bread: $0.00

Check alsoFirehouse Subs Sandwich Menu

Choose Extra Toppings

  • Black Olives: $0.00
  • Jalapeños: $0.00
  • Pickles: $0.00
  • Lettuce: $0.00
  • Tomatoes: $0.00
  • Onions: $0.00
  • Oil: $0.00
  • Salt & Black Pepper: $0.00

Other Side Options

  • Double Meat: $1.50
  • Crispy Bacon: $1.25
  • Avocado: $0.75
  • Sauteed Mushrooms: $0.50
  • Extra Pepper Jack Cheese: $0.25

Remove Options

  • Skip the Cajun Mayo: $0.00
  • Skip the Provolone Cheese: $0.00
  • Skip the Spicy Mustard: $0.00
  • Skip the Lettuce: $0.00
  • Skip the Tomatoes: $0.00

Firehouse Spicy Cajun Chicken Calories

  • Small: 360 kcal
  • Medium: 710 kcal
  • Large: 1,170 kcal 

Spicy Cajun Sub Nutrition

Small

NutrientAmount Per Serving
Serving Size1 Sub
Calories403
Calories from Fat170
Total Fat18.9g
Saturated Fat4.1g
Trans Fat0g
Cholesterol46mg
Sodium1318mg
Total Carbohydrates33g
Dietary Fiber2g
Sugars8g
Protein24g
Vitamin D0µg
Calcium130mg
Iron2mg
Potassium220mg

Medium

NutrientAmount Per Serving
Serving Size1 Sub
Calories799
Calories from Fat339
Total Fat37.7g
Saturated Fat8.2g
Trans Fat0g
Cholesterol92mg
Sodium2335mg
Total Carbohydrates64g
Dietary Fiber4g
Sugars15g
Protein48g
Vitamin D0µg
Calcium260mg
Iron4mg
Potassium400mg

Large

NutrientAmount Per Serving
Serving Size1 Sub
Calories1199
Calories from Fat513
Total Fat57g
Saturated Fat13.2g
Trans Fat0g
Cholesterol127mg
Sodium3286mg
Total Carbohydrates108g
Dietary Fiber6g
Sugars28g
Protein68g
Vitamin D0µg
Calcium390mg
Iron6mg
Potassium600mg

Spicy Cajun Sub Allergen

AllergenAre They Present?
EggYes
GlutenYes
MilkYes
NitratesYes
SeedsYes
WheatYes
FishNo
MSGNo
PeanutsNo
ShellfishNo
SoyYes
SulfitesYes
Tree NutsNo

Firehouse Subs Spicy Cajun Chicken Sub (Copycat Recipe)

Ingredients

For the Spicy Cajun Chicken:

  • 2 boneless, skinless chicken breasts
  • 1 tbsp olive oil
  • 2 tsp paprika
  • 1 tsp cayenne pepper (adjust to taste)
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp dried oregano
  • ½ tsp salt
  • ½ tsp black pepper

For the Cajun Mayo:

  • ½ cup mayonnaise
  • 1 tsp Cajun seasoning (use from chicken mix)
  • 1 tsp hot sauce (Tabasco or similar)

For the Sub:

  • 1 sub or hoagie roll
  • 2 slices pepper jack cheese
  • Sliced jalapeños (fresh or pickled)
  • Shredded iceberg lettuce
  • Thinly sliced white or red onion
  • Deli mustard

Instructions

  1. Make the Cajun Seasoning
    • In a small bowl, mix paprika, cayenne, garlic powder, onion powder, oregano, salt, and black pepper.
    • Reserve 1 teaspoon of this mix for the Cajun mayo.
  2. Prepare the Chicken
    • Pound chicken breasts to about ¾-inch thickness for even cooking.
    • Rub with olive oil, then coat generously with Cajun seasoning on both sides.
  3. Grill the Chicken
    • Preheat grill or grill pan to medium-high heat.
    • Cook chicken 4–7 minutes per side, until the internal temperature reaches 165°F (74°C).
    • In the last minute, place pepper jack cheese slices on top to melt.
  4. Make the Cajun Mayo
    • In a small bowl, mix mayonnaise, reserved Cajun seasoning, and hot sauce.
    • Stir until smooth and creamy.
  5. Toast the Roll
    • Slice the sub roll in half lengthwise.
    • Lightly toast until golden for extra crunch.
  6. Assemble the Sub
    • Spread Cajun mayo generously on both sides of the toasted roll.
    • Layer lettuce, onion, and sliced jalapeños on the bottom half.
    • Add the hot, cheesy Cajun chicken on top.
    • Drizzle with deli mustard, then close the sandwich.
  7. Serve
    • Slice in half and serve right away—preferably with a pickle spear on the side.

Tips for Perfection:

  • Use smoked paprika for a deeper, smoky Cajun flavor.
  • For extra heat, add pickled jalapeño juice to the Cajun mayo.
  • If you don’t have a grill, you can cook the chicken in a cast-iron skillet for great flavor.

FAQs

The Spicy Cajun Chicken Sub includes grilled Cajun-seasoned chicken breast, jalapeños, melted monterey jack or pepper jack cheese, lettuce, tomatoes, onions, Cajun mayo, and pickles on a toasted sub roll.

Calories vary by size: small has about 360–403 calories, medium about 710–799 calories, and large approximately 1,170–1,199 calories.

Yes, this sub is considered moderately to very spicy due to Cajun seasoning and fresh jalapeños, making it one of Firehouse’s boldest offerings.

This sub contains common allergens such as egg (Cajun mayo), milk (cheese), gluten/wheat (bread), soy, and sesame seeds; it does not contain peanuts, tree nuts, fish, or shellfish.

Yes, customers can modify their sub by adding or removing ingredients such as extra cheese, jalapeños, bacon, or avocado, and by choosing different breads or skipping sauces.

Keep in mind: The details provided are from publicly accessible sources and might not be entirely precise. For the most accurate nutritional information, it’s recommended to visit the firehousesubs website or reach out to them directly.

The price can vary based on your location. It’s best to check the specific price through the firehousesubs website or app for delivery to your area.

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