1. Combine water, black-eyed peas, onions, carrots, celery, bacon, and red pepper flakes in a large saucepan. Bring to a boil, cover and simmer 30 minutes. Stir in salt and simmer, covered, 30 minutes more, until tender.
2. Meanwhile, cook rice according to package directions. Stir into black-eyed pea mixture.Make Greens::
3. Bring chicken broth to a boil in a large saucepan. Add mixed greens and salt; cook 15 minutes, stirring occasionally, until tender. (If using only spinach, reduce broth to 1/4 cup and cook spinach 5 minutes.) Serve with Hoppin John, ham and red-pepper sauce. Makes 4 servings.