Peel the garlic and boil it up with the milk in a small, high pot. Simmer for about 10 minutes, stirring occasionally. Meanwhile roast pine nuts in a pan without fat until golden brown, take them out and let them cool down.
Clean or peel and wash the vegetables. Depending on the size, halve or quarter them. Slice or cut vegetables into very fine slices. Clean, wash and cut spring onions into rings. Wash chervil, dab dry, pluck leaves from the stems and chop coarsely.
Place the prepared vegetables and chervil in a bowl, except for something to sprinkle on top. Purée the garlic in the milk while still hot very finely. Slowly mix in vinegar and oil one after the other. Season to taste with salt, pepper, sugar and a little vinegar.
Mix the salad ingredients and warm dressing in the bowl and serve, or arrange salad on plates and drizzle with warm dressing. Sprinkle with chervil and pine nuts.