Heat the oven to 250°F/120°C. Cut a slice of salt pork or bacon and lay it in the casserole. Add the beans and remaining salt pork or bacon and boiling water to cover. Bake the beans, covered, until tender, 3-4 hours, adding more water as it is absorbed.
When the beans are tender, stir in the red wine. Cover and continue to cook for half an hour. At the end of