Season ketchup with chilli and salt. Wash chicken legs and pat dry. Spread the ketchup all around and place on an oiled baking tray. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 30 minutes until crispy
Peel onion and chop very finely. Mix with vinegar, salt, pepper and sugar. Whip 2 tablespoons of oil into it. Peel the radish, grate roughly and mix with the marinade
Wash the basil and chop finely, except for a little to garnish. Stir sour cream and salad cream until smooth. Stir in basil. Season to taste with salt and pepper
Wash the lettuce leaves, pat dry and arrange on 4 plates. Arrange raw vegetables on top. Add chicken legs. Garnish with tomato and remaining basil. Add the dip