Grilled Balsamic Portobello Mushroom Burger
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Serves: 4
This classic grilled balsamic portobello mushroom burger packs a flavor punch from an overnight marinade! Pop on the grill for a summer vegetarian main.
Ingredients
1/4 cup balsamic vinegar
2 tablespoons extra-virgin olive oil
5 garlic cloves, minced
1/2 teaspoon dried basil
4 portobello mushroom caps
4 whole grain hamburger buns
1 tomato, sliced
1/2 cup guacamole
1/4 cup feta, crumbled
Instructions
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