Mashed Root Vegetables

Directions

1. 1
   Preheat the oven to 400 degrees F. In a mixing bowl, toss the sweet potatoes, parsnips and celery root, with the oil.
2. 2
   Season with salt and pepper.
3. 3
   Place on a baking sheet and roast for 20 to 25 minutes, or until golden brown.
4. 4
   Put the Idaho potatoes in a large saucepan and cover with salted water.
5. 5
   Bring to a boil, then reduce heat to medium and cook until tender, about 12 to 15 minutes.
6. 6
   Drain, then return the potatoes to the pot.
7. 7
   Add the roasted vegetables and butter and stir and mash until the butter melts completely.
8. 8
   Add the milk and stir to mix.
9. 9
   Season salt and pepper.
10. 10
    Serve hot.