Clean, wash and cut the spring onion into rings. Mix yoghurt, salad cream and season to taste with salt, pepper and vinegar. Stir in onion. Clean, wash and cut the bell peppers into short strips.
Cut the cucumber into slices. Mix ketchup, paprika and cucumber. Season to taste with pepper sauce. Peel the kohlrabi, cut it into about 1.5 cm thick sticks and season with salt, pepper and nutmeg. Whisk the egg white.
Turn the kohlrabi successively in flour, egg white and breadcrumbs. Fry kohlrabi in hot oil for 4-6 minutes until crispy. Dust with paprika.