WHISK together ingredients for marinade in a small bowl. Place chicken breasts in a shallow dish and pour marinade over. Cover and refrigerate for 3 hours.
GRILL OPTION: Preheat grill to 400°. Place chicken breast on grill and cook 15 minutes. Flip and cook and addict 15 minutes. Stove top option: Brown chicken on both sides on medium high heat for 5 minutes one side, 3 minutes on second side. Reduce heat to medium low and cook till chicken is done, about another 15 minutes. Allow chicken to rest for 5 minutes.
WHILE chicken cooks, begin prepping vegetables. Divide among 2 bowls. Stir together ingredients for yogurt sauce. Slice chicken into small pieces and add to salad. Serve with ¼ cup of yogurt sauce. (Macros for olive oil not included as its in the marinade which is thrown away after).