In a large skillet, heat 2 tablespoons oil over medium-high heat. Add onions and pepper; cook and stir until tender, 3-4 minutes. Add garlic and seasonings; cook 1 minute longer. Transfer to a 5-qt. slow cooker.
In same skillet, heat remaining oil over medium-high heat. Add bulgur; cook and stir until lightly browned, 2-3 minutes.
Add bulgur, tomatoes, broth, brown sugar and soy sauce to slow cooker. Cook, covered, on low 3-4 hours or until bulgur is tender. Stir in beans and raisins; cook 30 minutes longer. If desired, sprinkle with cilantro.
