Beef Tenderloin with Marsala without herbs spinach

2 tablespoons olive oil 3 tablespoons balsamic vinegar 1 (1 1/2-2 lb) beef tenderloin 1 1/2 tablespoons white peppercorns 1 1/2 tablespoons black peppercorns[...]

1 1/2 tablespoons vegetable oil 1/4 cup chopped shallot 1 cup beef stock or 1 cup canned low sodium beef broth 1/2 cup dry white wine 1/4 cup brandy 1/2 cup[...]

6 (7 -8 ounce) beef tenderloin steaks kosher salt cracked black pepper 3 tablespoons canola oil 6 tablespoons unsalted butter , chilled, divided 4 garlic[...]

3 tablespoons balsamic vinegar (or 2 tablespoons red wine vinegar plus 1 1/2 teaspoons sugar) 2 tablespoons olive oil 1 (1 1/2-2 lb) center-cut boneless beef[...]