Beef with onion

4 cups beef stock 1 cup crushed tomatoes 2 tablespoons flour 1 cup dry red wine 3 sprigs fresh thyme 12 ounces beef tenderloin , sliced 1/4-inch thick coarse[...]

1 cup bread cubes 1/2 cup milk 2 tablespoons butter or 2 tablespoons margarine 1 medium onion , chopped 1 -2 teaspoon salt 1/2 teaspoon pepper 2 teaspoons[...]