Preheat broiler. Place chicken in small broiler pan and broil 4 inches from heat until lightly browned, about 3 minutes. Turn and broil until other side is browned and chicken in cooked through. about 2 minutes longer depending on the thickness of the breast. set aside to cool. Cut into 1/2 inch diagonal slices.
To prepare sauce, in small bowl, whisk together remaining ingredients, except tomatoes and snow peas. and 1 teaspoon water. Pour into small serving dish.
To serve, fan chicken and snow peas alternately on serving plate. Add cherry tomatoes and sauce.