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Portobello Pot Roast

Amaze everyone at the table with this vegan portobello pot roast!

Updated April 22, 2021
Portobello Pot Roast
Portobello Pot Roast

We all know the best part of a traditional pot roast is those roasted veggies, right? So, I’ve created a vegan version that delivers all of those familiar flavors in a completely plant-based, one-pot meal. While the veggies take a while to roast, there’s only about ten minutes of active cooking time needed to pull off this impressive dish!

Serves4

One Pot MealYes

Dietary ConsiderationVegan

Ingredients

  • 2 tablespoons (30 ml) olive oil
  • 2 yellow onions, sliced
  • 4 cloves garlic, minced
  • 6 tablespoons (46 g) all-purpose flour
  • 3 cups (708 ml) stout beer or other dark beer, such as porter
  • 3 cups (708 ml) vegetable broth
  • 1/4 cup (60 ml) vegan Worcestershire sauce (see note)
  • 1/4 cup (66 g) tomato paste
  • 2 tablespoons (5 g) fresh sage, slivered
  • 2 tablespoons (5 g) chopped fresh rosemary
  • 1/4 cup (10 g) chopped fresh basil
  • Salt, to taste
  • Black pepper, to taste
  • 4 portobello mushroom caps, stems and gills removed
  • 2 cups (300 g) baby carrots
  • 10 Yukon Gold potatoes, unpeeled and chopped into 1-inch (2.5-cm) pieces
  • Fresh rosemary sprigs (optional)

Instructions

  1. Preheat the oven to 350°F (175°C, or gas mark 4).
     

  2. Heat the olive oil in a very large, ovenproof skillet over medium heat. Add the onions and garlic, and cook for 3 to 4 minutes. Add the flour to make a roux, stirring frequently for 1 minute. Slowly add the beer and vegetable broth to make a sauce.
     

  3. Add the Worcestershire sauce, tomato paste, sage, basil, rosemary, salt and pepper. Add the portobellos, carrots and potatoes. Use a spoon to coat the vegetables with the sauce.
     

  4. Transfer the skillet to the oven. Roast for 1 hour, or until the vegetables are tender. Serve with sprigs of rosemary for garnish (if using).

Note: Be sure to choose a vegan variety of Worcestershire sauce. Annie's and The Wizard's are both reliable brands.

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