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vegan portabella french dip 2

Vegan Portobello French Dip

  • Author: Brand New Vegan
  • Prep Time: 15 min
  • Cook Time: 15 min
  • Total Time: 30 minutes
  • Yield: 4 sandwiches 1x
  • Category: Sandwich
  • Method: Stovetop, Blender
  • Cuisine: American
  • Diet: Vegan


For all you sandwich lovers out there, these Vegan Portobello French Dip Sandwiches are IT! Mushrooms, caramelized onions, and a tangy Au Jus for dipping!


  • 1 large sweet onion
  • 2 med bell peppers
  • 1/4 tsp salt
  • 2 tsp minced garlic
  • 16 oz portobello mushroom caps (4 large)
  • 2 Tbs water or veg broth (if needed to prevent sticking)
  • 1 tsp Italian seasoning

Au Jus

  • 1 3/4 cup low sodium veggie broth
  • 2 Tbs low sodium soy sauce
  • 1 Tbs vegan worchestershire sauce
  • 2 tsp molasses
  • 1/4 tsp liquid smoke (or smoked paprika)
  • 1 Tbs corn starch or arrowroot


  1. Slice onion and peppers into thin rings/strips and add to a large skillet, sprinkle with salt.
  2. Cook onions and peppers on med heat, stirring frequently, until they begin to soften - use 1-2 Tbs veg broth or water to prevent sticking
  3. Add 2 tsp chopped garlic and stir to combine.
  4. Cut mushrooms into 1/4" thick slices.
  5. Add mushrooms to skillet and saute until they begin to shrink in size and release their liquid.   Add Italian seasoning and mix well.
  6. In a small bowl, whisk together the Au Jus ingredients - veg broth, soy sauce, Worcestershire, molasses,  liquid smoke, and cornstarch
  7. When the liquid from the mushroom has almost evaporated, slowly pour in the Au Jus.
  8. Simmer mushrooms in Au Jus until sauce slightly thickens. Season with salt and pepper to taste.
  9. Assemble sandwiches on the bread of your choice and enjoy!

Keywords: portobello french dip