Grilled Portobello Mushroom Burgers

5 from 2 votes
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These Grilled Portobello Mushroom Burgers are marinated in a pollo a la brasa-like marinade. They’re layered with lettuce, tomato, aji verde and red onion on a delicious St Pierre Brioche Burger Bun. They are my favorite vegetarian-friendly grilled burger! 
Prep Time: 15 minutes
Cook Time: 10 minutes
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Recipe Rating
5 from 2 votes