Preparation Mix first 4 ingredients in large bowl. Cover and chill 30 minutes. Whisk juice, vinegar, and cornstarch in medium bowl to blend. Set aside. Heat oil in heavy large skillet over medium-high heat. Add garlic, ginger, and cayenne; sauté 15 seconds. Add chicken mixture; stir-fry until just cooked through, about 4 minutes. Transfer chicken to plate. Add bell pepper, peas, and onion to same skillet. Stir-fry until vegetables are crisp-tender, about 2 minutes. Return chicken to skillet. Stir juice mixture to recombine and add to skillet. Simmer until sauce thickens, stirring constantly, about 1 minute. Season with salt and pepper.
Preparation Mix first 4 ingredients in large bowl. Cover and chill 30 minutes. Whisk juice, vinegar, and cornstarch in medium bowl to blend. Set aside. Heat oil in heavy large skillet over medium-high heat. Add garlic, ginger, and cayenne; sauté 15 seconds. Add chicken mixture; stir-fry until just cooked through, about 4 minutes. Transfer chicken to plate. Add bell pepper, peas, and onion to same skillet. Stir-fry until vegetables are crisp-tender, about 2 minutes. Return chicken to skillet. Stir juice mixture to recombine and add to skillet. Simmer until sauce thickens, stirring constantly, about 1 minute. Season with salt and pepper.