3 pureed cauliflower root vegetable Recipes

olive oil, divided, green onions, coarsely chopped, yellow onion, coarsely chopped, stalks celery, coarsely chopped, garlic, sliced, minced, or crushed, peeled, chopped celery root (from 2 baseball-size bulbs), head of cauliflower, chopped, radishes, trimmed and each cut in half, carrots, peeled and chopped, chicken or vegetable broth, white wine or mirin, salt , plus more to taste, skim milk, chopped chervil , for serving (optional)

purple onion, butter, olive oil, garlic cloves, celeriac , bulb (celery root), head cauliflower, garnet yam, yukon gold potatoes, carrots, chicken stock or 3 cups vegetable stock, water, bay leaf, black pepper, salt