1. Heat oil in a large nonstick skillet coated with cooking spray over medium-high heat. Sprinkle both sides of chicken breasts evenly with lemon pepper seasoning. Add chicken to pan, and cook 4 to 5 minutes on each side or until chicken is done. Transfer chicken to a serving platter, and keep warm.
2. Add broth and vinegar to pan; cook, stirring constantly, 1 minute or until slightly thickened. Spoon sauce over chicken.
carbo rating: 2