Delish Portobello Mushroom Burgers! If you’re looking for an easy vegetarian and vegan friendly burger option, mushroom burgers are the way to go! Using a balsamic vinegar and olive oil marinade gives this recipe so much flavor.
Leftover grilled mushrooms will keep refrigerated for 2-3 days. Reheat in skillet over medium heat.
Keywords: portobello mushroom burger recipe, vegan burger recipes, balsamic mushroom burger