Engineer®

Firehouse Subs Engineer®

The Firehouse Engineer® is a filling and tasty sandwich with:

  • Hot roast beef: Tender, juicy roast beef served hot.
  • Provolone cheese: Melted provolone for a creamy, gooey texture.
  • Grilled onions and peppers: Sautéed onions and peppers add sweet and savory flavors.
  • Au jus: A tasty broth that adds moisture and extra flavor.
  • Toasted sub roll: Everything is served on a toasted roll for a hearty and satisfying bite.

Prices & Calories

Small – $5.49 (350 cal)

Medium – $9.49 (690 cal)

Large – 13.49 (1100 cal)

Choose your Bread

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

Choose Extra Toppings

  • Banana Peppers: $0.00
  • Black Olives: $0.00
  • Black Pepper: $0.00
  • Red Wine Vinegar: $0.00
  • Salt: $0.00
  • Pickles: $0.00
  • Jalapeno: $0.00
  • Oil: $0.00

Other Side Options

  • Double Meat: $1.25
  • Crispy Bacon: $0.00
  • Sauteed Mushrooms: $0.50
  • Extra Provolone Cheese: $0.25

Remove Options

  • Skip the dressing: $0.00
  • Skip the pickles: $0.00
  • Skip the Provolone Cheese: $0.00
  • Skip the  Mayonnaise: $0.00
  • Skip the Spicy Mustard: $0.00

Firehouse Engineer Sub Calories 

  • Small: 350 kcal
  • Medium: 690 kcal
  • Large: 1100 kcal

Engineer® Sub Nutrition

Small Sub

NutrientAmount Per Serving (1 Sub)
Calories350 kcal
Calories from Fat158 kcal
Total Fat17.5g
Saturated Fat4.1g
Trans Fat0g
Cholesterol33mg
Sodium1,147mg
Total Carbohydrates30g
Dietary Fiber3g
Sugars5g
Protein19g
Vitamin A6% of Daily Value (DV)
Vitamin C4% of DV
Calcium10% of DV
Iron15% of DV

Medium Sub

NutrientAmount Per Serving (1 Sub)
Calories690 kcal
Calories from Fat315 kcal
Total Fat35g
Saturated Fat8.3g
Trans Fat0g
Cholesterol66mg
Sodium2,025mg
Total Carbohydrates60g
Dietary Fiber6g
Sugars9g
Protein38g
Vitamin A10% of Daily Value (DV)
Vitamin C6% of DV
Calcium15% of DV
Iron20% of DV

Large Sub 

NutrientAmount Per Serving (1 Sub)
Calories1,100 kcal
Calories from Fat483 kcal
Total Fat53.7g
Saturated Fat13.5g
Trans Fat0g
Cholesterol115mg
Sodium3,474mg
Total Carbohydrates101g
Dietary Fiber9g
Sugars16g
Protein68g
Vitamin A15% of Daily Value (DV)
Vitamin C8% of DV
Calcium20% of DV
Iron25% of DV

Firehouse Engineer® Allergens

AllergenAre they Present
EggYes
GlutenYes
MilkYes
NitratesYes
SeedsYes
WheatYes
FishNo
MSGNo
PeanutsNo
ShellfishNo
SoyNo
SulfitesNo
Tree NutsNo

Perfect — let’s polish this into a streamlined, step-by-step copycat recipe for the Firehouse Subs Engineer® Sub that captures the signature hot, melty Firehouse flavor.

Firehouse Subs Engineer® Sub (Copycat Recipe)

Ingredients

For the Sub:

  • 1 sub roll (French bread or hoagie roll)
  • Smoked turkey breast, thinly sliced (deli-style)
  • Swiss cheese, thinly sliced
  • Mushrooms (fresh sautéed or canned, sliced)

For the “Fully Involved” Toppings:

  • Mayonnaise (to taste)
  • Deli mustard (to taste)
  • Shredded iceberg lettuce
  • Sliced tomato
  • Thinly sliced white or red onion
  • Dill pickle spear (for serving on the side)

Instructions

  1. Cook the Mushrooms
    • If using fresh mushrooms: sauté in a skillet with a little butter or oil until tender and lightly browned.
    • If using canned mushrooms: drain well and pat dry.
  2. Steam the Turkey & Cheese(the Firehouse secret)
    • Steamer Basket (Best): Place turkey and mushrooms in a steamer basket over simmering water. Top with Swiss cheese, cover, and steam 1–2 minutes until hot and melty.
    • Microwave Steamer (Quick): Place turkey, mushrooms, and cheese in a microwave steamer or covered container. Heat 30–60 seconds.
    • Skillet/Oven Alternative: Layer turkey, mushrooms, and cheese in a skillet, oven, or air fryer at 400°F (200°C) for 3–5 minutes until warmed through. (Not “steamed,” but still delicious.)
  3. Toast the Roll
    • Slice the sub roll lengthwise (keep a hinge if desired).
    • Lightly toast inside under a broiler, in a skillet, or air fryer for 1–2 minutes for crunch.
  4. Assemble the Sub
    • Spread mayonnaise on one side of the toasted roll and deli mustard on the other.
    • On the bottom half, layer lettuce, tomato, and onion.
    • Carefully transfer the hot, cheesy turkey and mushroom mixture onto the veggies.
    • Close with the top half of the roll.
  5. Serve
    • Slice in half and serve immediately with a crisp dill pickle spear on the side.

Tips for Perfection:

  • Use thinly shaved turkey for the closest match to Firehouse texture.
  • For extra flavor, season the mushrooms with a pinch of garlic powder while cooking.
  • To mimic Firehouse Subs’ softness, steam the bread briefly before toasting.

Firehouse Subs Engineer – Review

FAQs

The Engineer® contains smoked turkey breast, melted Swiss cheese, sautéed mushrooms, mayo, deli mustard, lettuce, tomato, onion, and is served with a kosher dill pickle spear.

Calorie counts are approximately 350 for a small, 690 for a medium, and 1,100 for a large Engineer® sub.

This sub contains egg (mayo, mustard), gluten/wheat (bread), milk (cheese), seeds, and nitrates; it does not contain peanuts, tree nuts, shellfish, fish, soy, or MSG.

Yes, you can request it hot or cold, add extra Swiss cheese, double turkey, choose wheat or gluten-free bread (where available), or skip mayo/mustard and pile on extra veggies or pickles.

Is the Engineer® sub served hot or cold?

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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