Mushroom Veggie Burger

Ingredients (11)

• ✓ 2 tablespoons olive oil
• ✓ 3 (8 ounce) packages sliced fresh mushrooms
• + ½ onion, finely chopped add to pantry
• + 4 cloves garlic, minced add to pantry
• + 1 teaspoon salt add to pantry
• + ½ teaspoon black pepper add to pantry
• + ½ teaspoon dried oregano add to pantry
• + ⅔ cup rolled oats add to pantry
• + ¾ cup dry bread crumbs add to pantry
• + 2 eggs, beaten add to pantry
• ✓ ½ cup freshly shredded Parmigiano-Reggiano cheese