Beef Tenderloin Sandwiches With Herb Mayonnaise Recipe
Ingredients 1 tablespoon vegetable oil 1 center-cut beef tenderloin (2 pounds), trimmed of excess fat, tied Coarse salt and freshly ground pepper 8 to 10 cloves Roasted Garlic 3/4 cup mayonnaise 1 tablespoon fresh lemon juice 2 tablespoons finely chopped fresh flat-leaf parsley 1 tablespoon finely chopped fresh thyme 1 tablespoon finely chopped fresh marjoram 1 baguette, halved horizontally and cut crosswise into 3 pieces 2 cups watercress, preferably baby...