Heat butter in large skillet.
Dredge chicken in cornstarch, season with salt/pepper and add to skillet.
Cook chicken a few minutes on each side until nicely browned.
Remove to a plate and ad lemon slices to skillet.
Cook 3 minutes turning one time.
Return chicken to skillet and pour on lemon juice. Heat until cooked through.
Top with the lemon slices and chives.