Preheat oven to 400 degrees.
Peel and cut carrots into quarters.
Cut top and bottoms off of turnips and quarter.
Cut greens and bottoms off of leek and cut in half lengthwise.
Place carrots, turnips, and leek on lined baking sheet.
Drizzle with oil, salt, and pepper.
Roast for 40 minutes, turning at the 20 minute mark.
Remove from oven and chop carrots and turnips into bite sized pieces, set aside.
Mince leeks.
In a soup pot combine stock, kale, parsley, leeks, garlic powder, and bay leaf.
Bring to a boil and simmer for 30 minutes.
Add carrots turnips, and noodles.
Turn heat to medium and cook until pasta is done.
Serve.