Wash the asparagus, cut off the woody end. Peel the white asparagus. Cut asparagus into diagonally thick slices. Wash and halve the tomatoes. Wash chicken fillet, dab dry and cut into thick slices.
Season with salt and pepper. Mix parmesan and breadcrumbs in a deep plate. Beat the egg and 3 tablespoons of cold water. Turn the chicken slices first in the egg and then in the cheese mixture. Prepare pasta in boiling salted water according to package instructions.
Heat 3 tablespoons of oil in a frying pan. Fry the meat in it at medium heat for about 8 minutes while turning. Heat 3 tablespoons of oil in a large frying pan. Fry the asparagus over medium heat for about 6 minutes while turning.
Fold in cherry tomatoes. Season with salt and pepper. Drain spaghetti and add to the asparagus. Arrange noodles and asparagus with the meat on plates. Garnish with chervil.