1. Heat 2 teaspoons of oil in a large pot.
2. Saute onion, garlic, green pepper, and tomato until soft.
3. Add beans, stock, bay leaf, and pepper. Bring to a boil, then reduce heat.
4. Simmer for 2 minutes and remove from stove.
5. Let sit, covered, for 1 hour.
6. Add vinegar, orange halves, and celery and cook 2 to 3 more hours until beans are tender.
7. Remove orange and bay leaf.
8. To thicken bean mixture, remove about 1/2 cup, mash, and return to pot.
serving �/4 cup nutritional info: 241 cal; 9g pro, 10g fat, 29g carb exchanges: 2 bread, 2 fat