French Onion Beef Tenderloin for Two

November/December 2010

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We took the comforting flavors of French onion soup and turned them into an easy bistro-style steak dinner. Tender filet mignon gets smothered with sweet caramelized onions and topped by a crispy, Swiss cheese-covered crostini. Serve with green beans and smashed potatoes with buttermilk and chives.

French Onion Beef Tenderloin for Two

Makes: 2 servings

Active Time:

Total Time:


  • 8 ounces beef tenderloin (filet mignon) or sirloin steak, 1-1 1/2 inches thick, trimmed and cut into 2 steaks
  • 1/4 teaspoon minced dried onion
  • 1/4 teaspoon salt, divided
  • 1/4 teaspoon freshly ground pepper
  • 3 teaspoons canola oil, divided
  • 1 large sweet onion, thinly sliced
  • 2 1/2 tablespoons dry sherry (see Note)
  • 1 1/2 teaspoons all-purpose flour
  • 1/2 cup reduced-sodium beef broth
  • 1 teaspoon chopped fresh thyme
  • 2 slices whole-grain baguette (1/2 inch thick), toasted
  • 1/4 cup shredded Swiss cheese


  1. Sprinkle steaks with dried onion, 1/8 teaspoon salt and pepper. Heat 11/2 teaspoons oil in a medium skillet over medium-high heat. Add the steaks and reduce the heat to medium. Cook, turning once, until desired doneness, 3 to 6 minutes per side for medium-rare. Transfer the steaks to a plate and tent with foil.
  2. Position a rack in upper third of oven. Preheat broiler.
  3. Add the remaining 1 1/2 teaspoons oil to the pan. Add onion and sherry, cover and cook over medium heat, stirring occasionally, until the onion is tender and golden brown and the liquid has evaporated, 6 to 8 minutes. Sprinkle flour over the onion and stir to coat. Add broth, thyme and the remaining 1/8 teaspoon salt; cook until bubbling and thickened, about 1 minute more.
  4. Remove from the heat and return the steaks and any accumulated juice to the pan. Pile up some of the onions on top of the steaks. Top each steak with a slice of baguette and some cheese. Transfer the pan to the oven and broil until the cheese is melted and bubbling, about 2 minutes. Serve the steaks with the onions and sauce.

Tips & Notes

  • Note: Sherry is a type of fortified wine originally from southern Spain. “Cooking sherry” sold in many supermarkets can be high in sodium. Instead, get dry sherry that’s sold with other fortified wines at your wine or liquor store.


Per serving: 376 calories; 18 g fat (5 g sat, 8 g mono); 80 mg cholesterol; 20 g carbohydrates; 0 g added sugars; 31 g protein; 3 g fiber; 533 mg sodium; 574 mg potassium.

Nutrition Bonus: Zinc (35% daily value), Calcium & Potassium (16% dv).

Carbohydrate Servings: 1

Exchanges: 1/2 starch, 1 vegetable, 4 lean meat, 1 fat

More From EatingWell

Recipe Categories

Ease of Preparation
Total Time
45 minutes or less
Main Ingredient
Type of Dish
Main dish, meat
Preparation/ Technique
Health & Diet Considerations
Low carbohydrate
High calcium
High potassium

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