The vegan options at Firehouse Subs point mostly to creating your own salad, maybe add some chips and a pickle. From previous research, Firehouse Subs had what we considered an accidentally vegan bread option. But with the ingredient list we’re seeing in 2026, we recommend you visiting our vegan FAQ for Firehouse Subs below to see what our thoughts are on that now. You choose your level of comfort.

We also added a few other tidbits into that FAQ, if you’re interested.

For all of your vegan-friendly options at Firehouse Subs, keep on reading!

Vegan Options at Firehouse Subs

Create Your Own Salad

See our FAQ for bread information.

Order a Firehouse Salad with NO cheese … comes with romaine, tomatoes, cucumber and mixed peppers. You choose if you want to edit those and/or add additional veggies. Choose your salad dressing (below).

Toppings

Banana Peppers
Black Olives
Cucumber
Jalapeno
Onion
Mixed Peppers
Chopped Pickles
Romaine Lettuce
Tomato

Vegan Dressings / Sauces

Balsamic Dressing
Italian Dressing
Oil & Vinegar Dressing
Marinara Sauce
Spicy Mustard
Sriracha Sauce
Sweet Baby Ray’s BBQ Sauce

Sides

Fries*
Pickle Spear

Firehouse Subs Vegan FAQ

Are the sub rolls at Firehouse Subs vegan-friendly?

No. We do not consider the sub rolls at Firehouse Subs to be vegan friendly. According to the 2026 ingredient list, here are the following concerns and unknowns.

The Wheat Roll contains honey. It also contains enzymes in the dough conditioner from an unknown source (animal or plant).

According to Firehouse Sub’s ingredient information, the Wheat Roll contains:

ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR, WATER, WHOLE WHEAT FLOUR, SUGAR, YEAST, WHEAT GLUTEN, SOYBEAN OIL, WHEAT BRAN, SALT, DRY HONEY (HONEY, SUGAR), CARAMEL COLOR, CALCIUM PROPIONATE (PRESERVATIVE), VINEGAR, MOLD INHIBITOR (CULTURED WHEAT FLOUR, FERMENTED LACTIC ACID), DOUGH CONDITIONER (ASCORBIC ACID, ENZYMES).

The White Roll contains enzymes from an unknown source (animal or plant) but ALSO contains L-Cysteine from an unknown source. We could also add in sugar to the mix of unknowns but most of the time nowadays, sugar isn’t processed through bone char–from what our research has shown.

The White Roll’s ingredients are:

ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR, WATER, SUGAR, YEAST, SOYBEAN OIL, SALT, WHEAT GLUTEN, DOUGH CONDITIONER (ASCORBIC ACID, ENZYMES), CALCIUM PROPIONATE (PRESERVATIVE), VINEGAR, MOLD INHIBITOR (CULTURED WHEAT FLOUR, FERMENTED LACTIC ACID), L-CYSTEINE.

–> With this information, you choose your level of comfort.

Are Firehouse Sub’s Caramelized Onions Vegan?

According to Firehouse Sub’s ingredient list, the caramelized onions ingredients are:

ONIONS, MALTODEXTRIN, SALT, SUGAR, MODIFIED CORN STARCH, CORN SYRUP SOLIDS, AUTOLYZED YEAST EXTRACT, ONION JUICE, DEHYDRATED ONION, NATURAL FLAVORS, RED WINE EXTRACT (SULFITES), SAFFLOWER OIL, DISODIUM GUANYLATE, DISODIUM INOSINATE, YEAST EXTRACT, GUAR GUM, POTATO MALTODEXTRIN, BAKING SODA, TRICALCIUM PHOSPHATE, SPICE, GRILL FLAVOR (FROM SUNFLOWER OIL), AND LESS THAN 2% OF EACH CANOLA OIL AND SILICON DIOXIDE ADDED AS PROCESSING AIDS.

What are the ingredients in Firehouse Sub’s Vegan-Friendly Salad Dressings?

Fireshouse Sub’s currently offers X vegan-friendly salad dressings.

The Balsamic Dressing contains:

Balsamic Dressing: WATER, VINEGAR (BALSAMIC, RED WINE), HIGH FRUCTOSE CORN SYRUP, VEGETABLE OIL (SOYBEAN AND/OR CANOLA) OLIVE OIL, CONTAINS LESS THAN 2% OF: SALT, GARLIC, XANTHAN GUM, SPICES, SODIUM ALGINATE, PROPYLENE GLYCOL ALGINATE, CALCIUM DISODIUM EDTA TO PROTECT FLAVOR.

The Italian Dressing contains:

Italian Salad Dressing: WATER, SOYBEAN OIL, HIGH FRUCTOSE CORN SYRUP, DISTILLED VINEGAR, SALT, GARLIC, ONION, RED BELL PEPPER, XANTHAN GUM, LEMON JUICE CONCENTRATE, SPICE, PROPYLENE GLYCOL ALGINATE, CARMEL COLOR, POTASSIUM SORBATE, AND SODIUM BENZOATE (PRESERVATIVES), FD&C YELLOW NO.5, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR.

The Oil & Vinegar Dressing contains:

Oil and Vinegar Dressing: OLIVE OIL, BURGUNDY WINE VINEGAR DILUTE WITH WATER TO 5% ACIDITY, SULPHUR DIOXIDE ADDED TO WINE TO PROTECT COLOR.

We consider all three of these to be accidentally vegan. You choose your level of comfort.

Is Firehouse Sub’s Light Italian Salad Dressing Vegan-Friendly?

No. The LIGHT Italian Dressing contains dairy.

Vegan Options at Firehouse Subs (Updated 2026)