Clean the leek, cut in half 1 x lengthwise and 1 x crosswise. Wash carefully and cut into very thin strips. Blanch for 2 minutes in boiling salted water, drain. Prepare pasta in boiling salted water according to package instructions, drain.
In the meantime clean and wash the carrots. Cook in boiling salted water for about 4 minutes, drain. Wash the veal, dab dry, tap flatter. Spread with horseradish, season with salt and pepper.
Cut off the cress briefly and sprinkle on the meat. Cover with one carrot each, roll up firmly and pin. Heat 1 tablespoon of oil in a pan. Fry the roulades on all sides over a high heat for about 5 minutes.
Season with salt and pepper. Dust with flour and deglaze with stock and 250 ml water. Bring to the boil while stirring and simmer for another 2 minutes. In the meantime heat 1-2 tablespoons of oil in a second pan.
Sauté the leek in it, add the noodles and toss. Season sauce again. Arrange prepared ingredients. To garnish, grind a spice mill mixture over the leek briefly.