Farmhouse Herbed Stuffing

INGREDIENTS

• 1/2 teaspoon dried thyme, crumbled
• 2 medium onions, cut into 1/4-inch dice (about 3 cups)
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 6 stalks celery with leaves, cut into 1/4-inch dice (about 2 1/2 cups)
• 8 tablespoons (1 stick) unsalted butter
• 1 teaspoon celery salt
• 1 teaspoon dried rosemary, crushed
• 1 teaspoon dried sage, crumbled
• 1 (14-ounce) package seasoned bread stuffing cubes
• 1/3 cup fresh parsley, chopped
• 1 1/4 cups hot or canned turkey stock, plus 1/2 cup more if baking all of stuffing outside of turkey