Cook the egg in boiling water for about 7 minutes. Drain and quench. Peel the egg and let it cool down. Wash the cauliflower and divide into small florets. Wash mangetouts. Cook cauliflower in boiling salted water for about 3 minutes, sugar snap peas for 1-2 minutes.
Drain, quench and let cool. For the dressing, stir peanut butter, ketchup and vinegar until smooth. Stir in soured milk and curry. Season to taste with salt and pepper. Coarsely chop the peanuts
Cut the egg into slices. Mix cauliflower and mangetouts with some dressing. Serve with egg. Sprinkle with chopped peanuts. Garnish with chervil. Cut the bread roll into slices. Eat the rest of the dressing and bread roll with it