2 sirloin steaks6 ounces of sliced Portobello mushrooms2 cloves of garlic, crushed with peel1 bay leaf1/4 cup of butter1 small onion, chopped1/2 cup of Madeira wine3/4 cup of beef broth1 teaspoon full of flour1 teaspoon of Worcestershire sauceSalt (to taste)Pepper (to taste)