Wash the chicken, pat dry. Mix salt, pepper, cayenne pepper and paprika. Season the chicken evenly all around. Brush with 2 tablespoons of olive oil and cook in a flat roasting pan or a fat pan of the oven in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 90 minutes.
Peel and wash the potatoes, cut them into french fries and rub them dry in a clean tea towel. Heat the frying oil and fry the chips in portions for approx. 4 minutes. Take out with a skimmer, let the oil drip off.
Clean, wash, spin dry and tear lettuce into large pieces. Radishes clean, wash and cut into slices. Season vinegar with salt, pepper and sugar, fold in 3 tablespoons of olive oil.
Heat the frying oil again. Fry the chips in portions for 3-5 minutes until golden brown. Take out and keep warm. Crush caraway seeds in a mortar. Take chicken out of the oven and divide into 8 pieces.
Season chips with spice mixture and caraway. Arrange chicken, chips and salad on plates. Drizzle some vinaigrette over the salad.