Combine first 7 ingredients in a bowl; stir well with a whisk.
Sprinkle chicken with salt and pepper. Heat a large nonstick skillet coated with cooking spray over medium-high heat until hot. Add chicken; cook 3 minutes on each side or until browned. Remove chicken from pan. Add mango mixture; bring to a boil. Return chicken to pan; reduce heat, and simmer 15 minutes or until chicken is done and sauce thickens, stirring occasionally. Yield: 6 servings (serving size: 1 chicken breast half and 3 T sauce.)