1. Prepare rice according to package instructions. Fluff with a fork & set aside.
2. Meanwhile, in a large saucepan heat oil on medium. Add onion, bell pepper & garlic powder. Cook 8-10 minutes, or until tender, stirring occasionally.
3. Add beans, broth, vinegar & oregano. Mash a portion of beans with the back of a spoon, until stew is slightly thickened. Add pepper & cook 6-8 minutes.
4. Divide stew into bowls, top with rice & serve.