Vegetarian French Dip Sandwiches Recipe

Written by: Editor In Chief
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Why You’ll Love This Vegetarian French Dip Sandwiches Recipe

You’re going to love this Vegetarian French Dip Sandwiches recipe because it offers all the savory, satisfying flavors of the classic dish without any meat.

Imagine sinking your teeth into a crusty roll filled with tender, caramelized onions and hearty portobello mushrooms, all topped with gooey provolone cheese.

The rich, flavorful au jus will have you savoring every dip, making this dish perfect for lunch or dinner.

Plus, it’s easy to whip up, so you can impress your friends or family without spending hours in the kitchen.

Trust me, once you try it, you won’t look back!

Ingredients of Vegetarian French Dip Sandwiches

If you’re ready to plunge into the delicious world of Vegetarian French Dip Sandwiches, you’ll be happy to know that gathering the ingredients is super simple. This recipe focuses on fresh, hearty components that come together to create a satisfying meal. You’ll need a mix of vegetables, some tasty seasonings, and a few simple staples.

Whether you’re a seasoned chef or a kitchen newbie, these ingredients will make your culinary adventure enjoyable.

Here’s what you’ll need:

  • 1 yellow onion
  • 3 portobello mushroom caps (about 1 lb.)
  • 2 tablespoons butter
  • A pinch of salt and pepper
  • 1/4 teaspoon dried thyme
  • 1/4 teaspoon dried oregano
  • 2 cups vegetable broth
  • 1 tablespoon soy sauce
  • 1/2 tablespoon brown sugar
  • 1/8 teaspoon garlic powder
  • 4 French bread rolls (6 inches each) or 4 ciabatta rolls (6 inches each)
  • 4 slices provolone cheese

Now, let’s talk about those ingredients for a second. The mushrooms are the star of the show here, adding that meaty texture that keeps things interesting—so try to pick ones that are firm and fresh.

As for the broth, it can really change the game. I highly recommend going for a vegetable broth that packs a punch, like the Better Than Bouillon concentrate. It transforms your au jus into a flavor bomb that’s irresistible.

And don’t skimp on the cheese; a gooey slice of provolone is what makes each bite feel indulgent. So, gather your ingredients, and let’s get cooking!

How to Make Vegetarian French Dip Sandwiches

vegetarian mushroom french dip

Alright, let’s plunge into the delicious world of making Vegetarian French Dip Sandwiches, shall we? It all starts with one yellow onion, which you’ll want to slice into thin strips. Then, grab those three portobello mushroom caps (about 1 lb.) and give them a good rinse to remove any dirt. Slice each cap in half and then cut them crosswise into about 1/4-inch thick strips.

Now, I know it sounds like a lot of slicing, but trust me, it’s worth it! Those mushrooms are going to be the hearty base of your sandwiches.

Next up, it’s time to sauté! In a deep skillet, melt 2 tablespoons of butter over medium heat and toss in your sliced onions. Cook those for just a few minutes until they start to soften. Once they’re looking good, add in your mushrooms, along with a pinch of salt and pepper, 1/4 teaspoon of dried thyme, and 1/4 teaspoon of dried oregano.

Sauté everything together for about 10 minutes. You want those mushrooms to release their moisture and start browning a bit—not burnt, just golden and delicious. When you see the liquid evaporating and sticking to the bottom of the skillet, that’s your cue to pour in 2 cups of vegetable broth. This is where the magic happens! Stir it around to deglaze the pan, scraping up all those tasty bits.

Then add 1 tablespoon of soy sauce, 1/2 tablespoon of brown sugar, and 1/8 teaspoon of garlic powder. Let that simmer on low for about 5 minutes while you prepare the bread.

Speaking of bread, grab your four French rolls (or ciabatta rolls if you’re feeling fancy) and place them on a baking sheet, open sides up. Preheat your oven to broil and pop those rolls in until they’re just lightly browned—about 5 minutes should do the trick. Keep an eye on them, or else you might end up with a charred surprise.

Once that’s done, use a slotted spoon or tongs to fill those beautifully toasted rolls with your sautéed mushrooms and onions. Top each sandwich with a slice of provolone cheese and return them to the oven for a few more minutes, just until that cheese is gooey and melted.

Close up those sandwiches, and voilà! You’re ready to dip them in the flavorful au jus you made. So grab a nice bowl, pour in the broth, and dig in. You’re going to love it, trust me—it’s hard to resist a warm, cheesy sandwich!

Vegetarian French Dip Sandwiches Substitutions & Variations

After whipping up those delicious Vegetarian French Dip Sandwiches, you might find yourself wanting to make some tweaks or try out different variations.

For a kick, swap out provolone for pepper jack cheese. If you’re craving something heartier, add roasted red peppers or sautéed zucchini. You can also replace portobello mushrooms with jackfruit or eggplant for a unique twist.

Want a smoky flavor? Try adding smoked paprika to the sautéed mixture. If you’re gluten-free, use gluten-free bread or rolls.

These simple substitutions can elevate your sandwich experience and keep things fresh and exciting every time you make them!

Additional Tips & Notes

While you’re preparing your Vegetarian French Dip Sandwiches, keep a few tips in mind to enhance your cooking experience.

First, don’t rush the sautéing process; allowing the mushrooms and onions to caramelize will deepen their flavor.

Use a good quality vegetable broth, as it really impacts the au jus’s taste. If you prefer extra kick, consider adding a splash of hot sauce or Worcestershire sauce to the broth.

For a creamier texture, you can melt some cream cheese into the sauce.

Finally, serve with extra napkins—these sandwiches can be messy, but that’s part of the fun! Enjoy your meal!