1. Combine chicken and next 3 ingredients in a large zip-top plastic bag; seal bag, and marinate chicken in refrigerator 30 minutes.
2. Remove chicken from marinade, reserving marinade. Heat a large skillet over medium-high heat; coat pan with cooking spray. Add chicken; cook 5 to 6 minutes on each side or until done. Remove chicken from pan, and set aside.
3. Melt butter in pan over medium-high heat. Add apples; sauté 4 minutes. Add reserved marinade, salt, pepper, and cinnamon; bring to a boil, reduce heat, and simmer 4 minutes or until reduced slightly. Return chicken to pan; cook 2 minutes or until thoroughly heated. Garnish with thyme sprigs, if desired.