- 4 beef tenderloin steaks (1 inch thick and 4 ounces each)
- 1/2 teaspoon salt
- 1/4 teaspoon pepper
- 5 tablespoons butter, divided
- 1 large onion, halved and thinly sliced
- 1 cup beef stock
- 1 tablespoon Dijon mustard
- Sprinkle steaks with salt and pepper. In a large skillet, heat 2 tablespoons butter over medium-high heat. Add steaks; cook 4-6 minutes on each side or until meat reaches desired doneness (for medium-rare, a thermometer should read 135°; medium, 140°; medium-well, 145°). Remove from pan; keep warm.
- In same pan, heat 1 tablespoon butter over medium heat. Add onion; cook and stir 4-6 minutes or until tender. Stir in stock; bring to a boil. Cook 1-2 minutes or until liquid is reduced by half. Stir in mustard; remove from heat. Cube remaining butter; stir into sauce just until blended. Serve with steaks.
3 ounces cooked beef with 1/4 cup sauce: 317 calories, 21g fat (12g saturated fat), 88mg cholesterol, 626mg sodium, 5g carbohydrate (2g sugars, 1g fiber), 26g protein.