Preparation Cook beans in pot of boiling salted water until crisp-tender, about 2 minutes. Drain. Refresh under cold running water. Heat 2 tablespoons oil in heavy medium skillet over medium-high heat. Sprinkle chicken with salt and pepper. Add to skillet; stir-fry until just cooked through, about 2 minutes. Transfer chicken to plate. Add 1 tablespoon oil to skillet. Add bell pepper, ginger and garlic; stir-fry 2 minutes. Add chicken and beans to skillet. Stir in soy sauce and vinegar. Simmer until sauce thickens slightly, about 2 minutes. Serve hot.
Preparation Cook beans in pot of boiling salted water until crisp-tender, about 2 minutes. Drain. Refresh under cold running water. Heat 2 tablespoons oil in heavy medium skillet over medium-high heat. Sprinkle chicken with salt and pepper. Add to skillet; stir-fry until just cooked through, about 2 minutes. Transfer chicken to plate. Add 1 tablespoon oil to skillet. Add bell pepper, ginger and garlic; stir-fry 2 minutes. Add chicken and beans to skillet. Stir in soy sauce and vinegar. Simmer until sauce thickens slightly, about 2 minutes. Serve hot.