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. Finely crumble the rolls into breadcrumbs and fill them into a deep plate. Beat the egg and 3 tablespoons of cold water. Turn chicken slices first in egg and then in breadcrumbs.
Cook the pasta in boiling salted water according to the instructions on the packet. 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 at 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.