Portobello Burger with Mozzarella and Pesto Mayo

These grilled Portobello Mushroom Burgers topped with mozzarella, red peppers, and pesto mayo, are delicious and an excellent vegetarian burger option.Portobello Burger with MozzarellaWho doesn’t love a good hamburger? I know I do! But I also love going meatless and really enjoy these Portobello Burgers, especially with pesto mayo and mozzarella, so good!! These are a variation of this Grilled Portobello Mushroom Burger recipe. I marinate and grill the mushrooms and top them with mozzarella, grilled red onions, roasted peppers, and an easy pesto mayonnaise sauce. For some other veggie burger ideas, try my Spicy Black Bean Burgers and Houston’s Veggie Burgers.Portobello mushrooms are a great meat substitute if you’re trying to reduce your calories or red-meat consumption. Portobellos have a meaty texture and flavor that I enhance with a simple marinade made of balsamic vinegar, soy sauce, olive oil, and Montreal steak seasoning.How do you prepare portobello mushrooms?To prep portobellos for cooking, pop off the stems and wipe the tops of the mushrooms off with a paper towel. You can remove the gills on the inside of the mushrooms if you want, but it’s not necessary as they are edible.What to Serve with Portobello Mushroom BurgersThese portobello burgers would be delicious with a salad like my Italian Chopped Salad or Summer Tomato Salad. You could also serve them with Air Fryer French Fries or Skinny Garlic Parmesan Fries.Portobello Mushroom Burger Tips &  Variations:If you don’t have a grill, cook the mushrooms on a grill pan or cast-iron skillet on your stove.If you’d like to use homemade pesto for the sauce, try my Skinny Basil Pesto.Swap the mozzarella for provolone cheese.If you prefer meat, use lean ground beef or turkey patties instead of mushrooms and top with all the same toppings.More Burger Recipes You’ll Love:Portobello Mushroom Burger with Mozzarella, Roasted Peppers and Pesto MayoPrep Time: 30 minsCook Time: 15 minsTotal Time: 45 mins2 tablespoons jarred or homemade pesto2 tablespoons light mayo4 portobello mushroom caps2 tbsp balsamic vinegar1 tbsp low sodium soy sauce1 tablespoons olive oil1-1/2 tsp steak seasoning like Montreal Steak Grill Mates4 thick slices red onion4 oz fresh mozzarella, sliced thin1 roasted red pepper, jarred or homemade sliced4 whole wheat low calorie buns, I used MartinCombine mayo and pesto in a small bowl.In a large bowl, whisk together vinegar, soy sauce, oil, and Montreal steak seasoning.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.Heat the grill or indoor grill pan over medium heat. When hot, brush the grate with oil or lightly spray the grill pan.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.Top the mushrooms with cheese during the last minute of cooking.While the mushrooms cook, grill the onions about 1 minute on each side and grill the buns until toasted.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.Serving: 1burger, Calories: 229kcal, Carbohydrates: 29g, Protein: 11.5g, Fat: 9.5g, Saturated Fat: 1g, Cholesterol: 0.5mg, Sodium: 745mg, Fiber: 9g, Sugar: 9gBlue Smart Points: 9Green Smart Points: 9Purple Smart Points: 9Keywords: Grilled Portobello Mushroom Burger, portobello mushroom burger recipe, Portobello Mushrooms posted September 14, 2020 by GinaDon’t Miss a Recipe!Get new free recipes and exclusive content delivered right to your inbox:

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