Peel the parsnips, cut off the ends. Wash the parsnips. Slice 1 parsnip evenly into 1 mm thick slices. Mix with 2 tablespoons of oil, salt and pepper. Spread evenly on a baking tray lined with baking paper. Bake in a preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: see manufacturer) for 10-13 minutes. Take out and let cool down
Onions peel and roughly chop. Dice the remaining parsnips. Peel, wash and slice the parsley root. Peel, wash and dice potatoes
Heat 3 tablespoons of oil in a saucepan, add onions, potatoes, parsnips and parsley root, fry while turning. Season with salt, pepper and sugar. Deglaze with broth, bring to the boil, cover and cook for about 30 minutes
In the meantime crumble the brown bread finely. Skip the butter in a pan. Add the bread and toast it while turning. Season with salt and remove from the pan. Wash parsley, shake dry and chop finely. Mix parsley and bread
Finely puree the soup with a blender. Stir in crème fraiche, heat up again. Season to taste with salt and pepper. Sprinkle breadcrumbs and parsley mixture in small bowls, arrange with parsnip chips