Boil the egg hard, quench and dice. Peel and quarter the onion, cut into thin slices and pull apart in strips. Peel the cucumber with the garnish peeler, cut in half lengthways, core with a small spoon and cut into crescent-shaped slices. Clean and wash the peppers and cut into small diamonds. Wash the tomatoes, remove the stem and dice. Clean, wash, quarter and thinly slice the radishes. Made from Greek yogurt (50 g), sour cream (50 g), sunflower oil (1 tbsp), milk (1 tbsp), medium hot mustard (1 tsp), liquid honey / (1 tsp), chilli oil (½ tsp), coarse Mix sea salt from the mill (1 big pinch) and colored pepper from the mill (1 big pinch) into a salad sauce. Pour all ingredients into a bowl and stir / mix carefully.