Chicken Thigh & Sweet Potato Traybake / Laced with cumin and balsamic vinegar this chicken thigh fillet tray bake is a great one for convenience; also very good to use up any leftover vegetables. You've got great taste! To access this page simply login here log in. Or sign up in less than a minute (and get free meal plans every week) here: Free Membership, Perks at Work, ParliamentHill, School Supporter, School Summer Edition, School Early Bird or Personalisation Membership.