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5.0 from 33 votes

Portobello Mushroom Burger with Mozzarella, Roasted Peppers and Pesto Mayo

The easiest Portobello Mushroom Burger with Mozzarella, Roasted Peppers and Pesto Mayo

Prep Time
5 mins
Cook Time
5 mins
Total Time
20 mins
Servings: 4 servings
Calories: 229 kcal
Course: Lunch , Dinner
Cuisine: American

Ingredients

  • 2 tablespoons jarred or homemade pesto
  • 2 tablespoons light Mayo
  • 4 portobello mushroom caps
  • 2 tbsp balsamic vinegar
  • 1 tbsp low sodium soy sauce
  • 1 tablespoons olive oil
  • 1-1/2 tsp steak seasoning like Montreal Steak Grill Mates
  • 4 thick slices red onion
  • 4 oz fresh mozzarella (sliced thin)
  • 1 roasted red pepper (jarred or homemade sliced)
  • 4 whole wheat low calorie buns (I used Martin)

Instructions

    Cup of Yum
  1. Combine mayo and pesto in a small bowl.
  2. In a large bowl, whisk together vinegar, soy sauce, oil, and Montreal steak seasoning.
  3. Place the mushroom caps in the bowl and toss with sauce, using a spoon to evenly coat. Let stand at room temperature for 20 to 30 minutes, turning a few times.
  4. Heat the grill or indoor grill pan over medium heat. When hot, brush the grate with oil or lightly spray the grill pan.
  5. Place the mushrooms on the grill, reserving marinade for basting. Grill for 5 to 7 minutes on each side, or until tender, brushing with marinade frequently.
  6. Top the mushrooms with cheese during the last minute of cooking.
  7. While the mushrooms cook, grill the onions about 1 minute on each side and grill the buns until toasted.
  8. To finish, spread the pesto on the buns, place the grilled portobello mushrooms on the buns and top with the grilled onions, and roasted peppers.

Nutrition Information

Serving 1burger Calories 229kcal (11%) Carbohydrates 29g (10%) Protein 11.5g (23%) Fat 9.5g (15%) Saturated Fat 1g (5%) Cholesterol 0.5mg (0%) Sodium 745mg (31%) Fiber 9g (36%) Sugar 9g (18%)

Nutrition Facts

Serving: 4servings

Amount Per Serving

Calories 229

% Daily Value*

Serving 1burger
Calories 229kcal 11%
Carbohydrates 29g 10%
Protein 11.5g 23%
Fat 9.5g 15%
Saturated Fat 1g 5%
Cholesterol 0.5mg 0%
Sodium 745mg 31%
Fiber 9g 36%
Sugar 9g 18%

* Percent Daily Values are based on a 2,000 calorie diet.