Stuffed Portobello Mushroom Burger with Grilled Lemons and Garlic Aioli

Deselect All

4 portobello mushrooms stemmed

5 ounces goat cheese

1-ounce thyme leaves

2 teaspoons lemon juice, divided

2 lemon, sliced

4 whole wheat buns

2 bunches arugula

1 tablespoon minced garlic

1/2 cup mayonnaise