Slice the tenderloin bites, mushrooms of -edro and onion crescents. Fry the mushrooms to stand and separate them aside in the same pan with a little oil and fry the fillets when turns white and add the onion, fry to readiness, then add the mushrooms, put the wine, tomato puree to eye with plenty of sauce, about half tin, leaving another 2-3 minutes on the stove and tampering with spices. Serve with grated cheese.