The meat is divided into steaks, sprinkle with salt and pepper and crushed. Watered with wine and remain for about 18 hours, then it is coated with mustard, olive oil and soy sauce and remain for about 2 h. Put them in a greased pan with sunflower oil, then sliced ​​onion, mushrooms and garlic cut into slices. Wind up with foil and bake at 200C degrees for about 2 hours. Remove the fthe oil and smeared with mayonnaise and feta cheese and returns to seal for another 10-15 minutes.