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+ servings

Air Fryer Portobello Mushroom Burgers

Juicy, flavorful portobello mushroom burgers are a breeze to make in your air fryer! With a delicious garlicky marinade and melted cheese, these are incredibly satisfying vegetarian burgers.
5 from 1 rating

Ingredients

  • 2 portobello mushrooms
  • olive oil, for brushing
  • 1 tbsp balsamic vinegar
  • 1 tbsp soy sauce
  • 2 tsp mirin
  • 1 tbsp chopped garlic
  • 2 slices cheese

For serving

  • 2 burger buns
  • 2 lettuce leaves
  • 2-4 tomato slices
  • 4-6 red onion slices
  • 2 tbsp mayonnaise , add some harissa, sweet chili sauce or pesto for flavor

Instructions 

  • Preheat the air fryer to 390F / 200C while you prepare the mushrooms.
  • Remove the stem and scrape the gills from your mushroom caps.
    2 portobello mushrooms
  • Turn over and lightly brush the bottoms with olive oil oil.
    olive oil
  • Turn back over and sprinkle the garlic over each cap.
    1 tbsp chopped garlic
  • Whisk together the balsamic vinegar, soy sauce and mirin. Pour that over each cap.
    1 tbsp balsamic vinegar, 1 tbsp soy sauce, 2 tsp mirin
  • Place in the air fryer, cap side up, and cook for 7-8 minutes, or until the mushrooms are reduced and browned.
  • Add a slice of cheese to the top of each and air fry for an additional 2-3 minutes until the cheese is melted.
    2 slices cheese
  • Place each mushroom on a bun, add toppings and sauce. Serve immediately.
    2 burger buns, 2 lettuce leaves, 2-4 tomato slices, 4-6 red onion slices, 2 tbsp mayonnaise
Calories: 413kcal, Carbohydrates: 35g, Protein: 15g, Fat: 24g, Saturated Fat: 8g, Polyunsaturated Fat: 8g, Monounsaturated Fat: 6g, Trans Fat: 0.03g, Cholesterol: 34mg, Sodium: 1045mg, Potassium: 578mg, Fiber: 3g, Sugar: 10g, Vitamin A: 2293IU, Vitamin C: 12mg, Calcium: 293mg, Iron: 3mg