Heat the oil in a large nonstick skillet over medium-high heat. Add onion and cumin; sauté 10 minutes or until onion is lightly browned. Add bell pepper and water; cover, reduce heat, and simmer 3 minutes. Add the green onions, salt, and beans; cover and cook for 2 minutes or until thoroughly heated, stirring occasionally. Remove from heat; stir in basil. Sprinkle with the breadcrumbs, and serve over rice.