Peel the onion and cut into small cubes. Clean and shred the mushrooms. Prepare noodles in boiling salted water according to package instructions. Season cutlets with salt and pepper. Heat 1 tablespoon of oil in a large pan. Fry escalopes on both sides for about 4 minutes, remove. Heat 1 tablespoon of oil in a frying pan.
Fry the mushrooms and diced onion for about 3 minutes, then add the tomato sauce. Simmer the sauce for 6-8 minutes. Drain the pasta. Add the schnitzel to the sauce after about 2 minutes. Wash the basil and dab dry. Arrange noodles with schnitzel and tomato sauce and garnish with basil leaves