Cook the pasta in boiling salted water for about 8 minutes. In the meantime, for the sauce, wash schnitzels, dab dry and dice. Clean and halve the mushrooms. Peel and finely chop the onion.
Wash the chives and cut into small rolls. Heat the oil. Sauté the onion briefly. Add diced cutlets and mushrooms and fry over high heat for about 4 minutes. Season with salt and pepper.
Deglaze with broth and cream, bring to the boil. Add sauce thickener and chives. Bring to the boil again, season if necessary and serve with the spaghetti. Serve garnished with parsley and chives.