Vegetarian Portobello Mushroom and Avocado Burger
A cool and tasty vegetarian burger features grilled portobello mushroom caps topped with creamy avocado sauce, offering a delightful alternative to traditional patties.
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Instructions
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Brush portobello mushrooms and onion slices with olive oil, then season with 1/2 tsp salt and 1/4 tsp pepper.
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Heat a large skillet or grill pan over medium heat; cook mushrooms for 8-10 minutes, turning once, until tender.
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Transfer cooked mushrooms to a plate, cavity-side up, and cover to keep warm.
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In the same pan, cook onion slices for about 8 minutes, turning occasionally, until golden brown.
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While onions cook, combine half an avocado, yogurt, minced garlic, and remaining salt and pepper in a small bowl; mash until smooth.
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To assemble, spoon onions and optional roasted red peppers into mushroom cavities. Spread avocado mixture on bun bottoms, top with stuffed mushrooms, remaining sliced avocado, and additional fixings.