Instructions

  1. Heat oil in heavy large pot over medium-high heat.
  2. Add onions; sauté until golden, about 8 minutes.
  3. Add mushrooms; sauté until tender, about 8 minutes.
  4. Add wine and thyme; boil until liquid is reduced by half, about 1 minute.
  5. Add next 4 ingredients; cover and simmer gently until vegetables are tender, about 25 minutes.
  6. Stir in bok choy; simmer uncovered until tender, about 8 minutes.
  7. Using slotted spoon, transfer 3/4 cup potato pieces to small bowl; mash with fork.
  8. Return mashed potatoes to pot; simmer until juices thicken, about 5 minutes.
  9. Season with salt and pepper; serve.