1/2 cup fresh sage leaves
1/2 cup fresh Italian parsley
2 cloves garlic
1/4 cup freshly grated parmesan cheese, divided
1/2 teaspoon salt
1/4 cup olive oil
1/2 cup walnuts
1/2 cup gf
bread crumbsFreshly ground black pepper
12 large mushrooms (about 2-1/2 inches in diameter) stemmed