Filet Mignon with cream

6 ounces egg noodles, uncooked 1 medium onion , halved lengthwise 2 tablespoons vegetable oil 4 beef tenderloin steaks , 1 1/4-inch-thick (filets mignons) 1[...]

3 tablespoons butter 2 tablespoons olive oil 12 ounces button mushrooms , thinly sliced 1/2 cup minced shallot (about 3) 4 garlic cloves , minced 1 tablespoon[...]

5 tablespoons butter , divided 2 tablespoons oil, divided 1 lb white button mushrooms , thinly sliced (can use less) 1/2 cup minced shallot , divided (about 3[...]

3 1/2 tablespoons unsalted butter 1 tablespoon all-purpose flour 1 cup beef stock or 1 cup store bought broth 1 lb beef tenderloin , trimmed sliced 1/4 inch[...]