Instructions

  1. Preheat oven to 400°F.
  2. Heat 1 tablespoon of oil in a nonstick skillet over medium-low heat.
  3. Add mushrooms and leeks; stir and cook for 4 minutes or until tender.
  4. Remove from heat; sprinkle with half the thyme, salt, and pepper.
  5. Cut a small pocket in the top edge of the side of each chicken breast, but don't cut all the way through the breast.
  6. Fill pocket with 2-3 tablespoons of the mushroom mixture.
  7. Season chicken with the remaining thyme, salt, and pepper.
  8. Heat 1 tablespoon oil in an ovenproof skillet over medium-high heat.
  9. Brown chicken on both sides.
  10. Transfer skillet to the oven and roast for 10 minutes or until cooked through.
  11. Serve with the remaining mushroom-leek mixture.