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A BBQ Portobello Mushroom Burger in a bun with pesto and pickled red onion rings
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Vegan BBQ Portobello Mushroom Burgers

These BBQ Portobello Mushroom Burgers are the perfect plant-based alternative to beef burgers or mock-meat burgers.
Prep Time5 minutes
Cook Time5 minutes
Total Time10 minutes
Course: Dinner, Main Course
Cuisine: American
Diet: Vegan, Vegetarian
Keyword: balsamic vinegar, burger buns, mixed herbs, portobello mushroom, red onion, vegan pesto, white wine vinegar
Servings: 4 burgers
Calories: 369.24kcal

Equipment

  • Grill pan or barbecue
  • mixing bowls
  • Tongs

Ingredients

For the pickled onions

  • 1 large red onion or 2 small
  • 6 tablespoon white wine vinegar
  • 0.5 teaspoon salt

For the mushrooms

  • 4 portobello mushrooms
  • 8 tablespoon balsamic vinegar
  • 4 tablespoon olive oil
  • 1 tablespoon dried mixed herbs
  • 2 cloves garlic minced

To assemble

  • 4 burger buns
  • 4 tablespoon vegan pesto

Instructions

  • Pour the white wine vinegar and salt over sliced onions and let sit for at least 30 minutes (longer for stronger flavour).
  • In a bowl, whisk the olive oil, balsamic vinegar, garlic and mixed herbs. Coat the mushrooms well and let marinate for at least 20 minutes.
  • Grill or pan-fry over medium heat for 4–5 minutes per side until tender and slightly charred.
  • Spread pesto on the base bun, add the grilled mushroom and pickled onions.
  • Top with the bun lid and enjoy!

Nutrition

Calories: 369.24kcal | Carbohydrates: 35.43g | Protein: 7.37g | Fat: 21.62g | Saturated Fat: 3.34g | Polyunsaturated Fat: 2.36g | Monounsaturated Fat: 10.57g | Trans Fat: 0.003g | Cholesterol: 1.2mg | Sodium: 662.02mg | Potassium: 464.95mg | Fiber: 3.14g | Sugar: 11.73g | Vitamin A: 324.78IU | Vitamin C: 3.2mg | Calcium: 127.9mg | Iron: 2.78mg