Melt butter in a Dutch oven over medium heat. Add celery and onion; sauté 5 minutes or until tender. Add apple; cook, stirring often, 5 minutes. Remove from heat.
Add bread and next 8 ingredients to Dutch oven, tossing gently to combine. Spoon into a lightly greased 13- x 9-inch baking dish.
Bake, covered, at 325° for 35 minutes. Uncover and bake 10 more minutes or until golden. Serve with baked or grilled pork chops, if desired. Garnish, if desired.
* 2 teaspoons almond extract may be substituted for 1/4 cup almond liqueur.
