Herb Stuffing... Herb Stuffing Ingredients 3 cups low-sodium chicken broth 3/4 cup (1 ounce) dried porcini mushrooms, roughly chopped (optional) 2 tablespoons olive oil or unsalted butter 2 medium yellow onions, diced 1 1/2 teaspoons kosher salt 3/4 teaspoon black pepper 2 stalks celery, diced 3/4 cup fresh flat-leaf parsley leaves, finely chopped 2 tablespoons