Clean the mushrooms, wash if necessary, halve the mushrooms. Peel onions and cut into slices. Cook pasta in plenty of boiling salted water for about 12 minutes. Heat 1 tablespoon of oil in a frying pan and fry the onions until transparent.
Add the mushrooms and fry vigorously for about 5 minutes. Season with salt and pepper. Dust with 2 tablespoons of flour. Sweat briefly and deglaze with broth. Cover and simmer for about 10 minutes. Drain the noodles and let them drain.
Wash the cutlets, dab dry, season with salt and pepper and turn in 2 tablespoons of flour. Heat 1 tablespoon of oil in a frying pan and fry the schnitzel for about 2 minutes on each side. Arrange noodles with schnitzel and mushroom sauce and garnish with marjoram.