PREHEAT oven to 350° F. Spray 2 1/2-quart baking dish with nonstick cooking spray. Set aside.
MELT butter in large skillet over low heat. Cook onion and celery, stirring occasionally, for 5 to 8 minutes or until tender. Add water, corn, chiles, parsley, bouillon, paprika, oregano and pepper; mix well. Add cornbread and nuts; mix well. Spoon into prepared baking dish; cover.
BAKE for 30 minutes or until heated through.