1.
Heat olive oil in a large nonstick skillet over medium-high heat.
2.
Pound chicken breasts to even thickness; DO NOT pound thin!
3.
Season chicken breasts with salt and pepper.
4.
Add chicken breasts to hot oil and cook 6 minutes; flip and continue to cook for 4 minutes or until browned on both sides.
5.
Remove chicken from skillet; set aside.
6.
Add onions, garlic and thyme leaves to skillet; cook for 3 minutes, stirring frequently.
7.
Stir in tomatoes and olives.
8.
Return chicken to skillet; bring mixture to a boil.
9.
Turn heat down to a simmer; cover skillet and continue to cook for 15, or until chicken is thoroughly cooked.
11.
Garnish with parsley and serve.