Beef Tenderloin with Marsala without greens tomatoes seafood veal

4 tablespoons butter 2 tablespoons olive oil 14 ounces white button mushrooms , sliced (can use more) 2 -3 tablespoons shallots , finely chopped (or to taste)[...]

1 (3 lb) beef tenderloin 1 tablespoon onion , minced 3 tablespoons butter 2 cups mushrooms , sliced 2 tablespoons all-purpose flour 1 cup beef broth 2[...]

1 cup ruby port 1 cup dry white wine 16 ounces beef tenderloin steaks all-purpose flour 3 tablespoons unsalted butter 1 tablespoon olive oil 2 tablespoons[...]

2 cups dry red wine 1 cup tawny port 2 cups beef broth 3 tablespoons butter 2 onions , chopped 1 tablespoon fresh thyme , chopped (or use 1 teaspoon dryed) 3[...]