Cut the carrots and parsnips in half lengthwise and again crosswise.
Cut the turnips halves into 1-inch wedges.
Place the carrots, parsnips, turnips, Brussels sprouts and shallots in a large bowl. Drizzle with tablespoons of the oil. Toss to combine.
Line a sheet pan with foil and arrange the vegetables in one layer on top of the foil, sprinkle with salt and ground black pepper.
Place the sheet pan in the oven. Roast the vegetables for 50 minutes or until tender and nicely browned.
Remove sheet pan from the oven. Transfer the vegetables to a large platter; cover to keep warm
The Gremolata
Grate the yellow peel (the zest) of the lemon with a grater or a microplane until you have accumulated a tablespoon. Avoid the bitter white part (the pith).
Cut the lemon in half. Squeeze the juice into a bowl and remove the seeds.
Place the walnuts in a jar chopper and coarsely chop.
Transfer the walnuts to a bowl. Add all of the cheese, parsley, garlic and lemon zest, plus 1 tablespoon of lemon juice and 1 tablespoon of oil. Stir to combine.
Serve It Up
Spread the gremolata evenly over the warm vegetables and gently toss to coat.
Cut the green stalk off of the leek. Slice the white portion down the middle, lengthwise, then rinse under running water. Cut into small pieces. Place into a mixing bowl.
Remove the skin and cut the onion into small pieces. Add to bowl.
Cut the celery into small pieces. Add to bowl.
Peel and cut the potato into small pieces and place in a separate bowl.
Cut the stem off of the broccoli and chop into small pieces. Add to the bowl with the potato.
Cut the florets from the broccoli, then slice the stem into half inch pieces. Set aside.
Start the Soup
Place a stockpot over medium heat; add 2 tablespoons olive oil.
Add onions, leeks, and celery and sauté until they begin to turn translucent. Add ½ tablespoon salt.
Add the potato and broccoli stem. Cook for 5 minutes.
Add the broccoli florets. Cook for 5 minutes
Add the stock and water and simmer 15-20 minutes until potatoes are fork tender. There should be at least an inch of liquid over the vegetables; add water as needed.
Remove from heat. Puree with an immersion blender, blender or food processor.
Stir in yogurt and Parmesan cheese.
Season to taste with salt and pepper.
Using the peeler, make long ribbons of purple carrots.
Serve
Ladle soup into individual bowls.
Garnish soup with purple carrot ribbons or sliced radish. Enjoy!
Place all of the vegetables in a large mixing bowl. Season with garlic, salt, black pepper, allspice, and chili flakes. Drizzle with olive oil. Toss the mixture thoroughly to combine.
Line a sheet pan with foil.
Turn seasoned vegetable mixture on to sheet pan. Spread the vegetables out on the pan.
Place pan in oven. Roast for 7 minutes. Remove from oven.
Roast Fish
Cut fish fillets into 2 inch pieces.
Season fish pieces with salt and black pepper.
Place the fish pieces on top of the vegetables.
Return fish and vegetables to the oven. Roast for 8 minutes.
