Beef Fillet Moutarde

Author: Marthinus Strydom
Category: Beef
Serves/Qty: 4.00
Heidi Strydom

Indulge in this elegant beef fillet moutarde recipe, featuring tender beef fillets coated in a creamy mustard sauce. A perfect dinner party main course or special occasion meal.

Marthinus Strydom

The Story

Fillet moutarde, or beef fillet with mustard sauce, is a classic French dish that has been enjoyed for centuries. The origins of the recipe can be traced back to the traditional French culinary techniques of searing and braising beef, which were used to cook high-quality cuts of meat such as fillet. The addition of mustard to the sauce is thought to have originated in the Dijon region of France, where mustard has been produced since the Roman era. The combination of tender beef and tangy mustard has made fillet moutarde a beloved dish in French cuisine and beyond.

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Adjust Quanities

For the beef
1 trimmed whole beef tenderloin
kosher salt
1 tbs dijon mustard
1 tbs worcestershire sauce
1 medium clove garlic, mashed to a paste
1 tsp honey
1 tsp soy sauce
1 tsp finely chopped fresh thyme
freshly ground black pepper
2 tbs olive oil
For the cognac cream sauce
2 tbs unsalted butter
0.25 cup (12 Teaspoons) minced shallot
0.50 cup (24 Teaspoons) cognac
3 cup (144 Teaspoons) unsalted or lower-salt chicken stock or broth
4 small sprigs fresh thyme
1 cup (48 Teaspoons) heavy cream
2 tsp freshly cracked black pepper
0.25 cup (12 Teaspoons) oz finely grated parmigiano-reggiano (usina rasp grater)
2 tsp dijon mustard
2 tsp fresh lemon juice; more as needed
2 tsp worcestershire sauce


  1. Preheat the oven to 240°C (475°F).
  2. Fold the thinner end of the tenderloin under to create an evenly thick roast; secure with twine. Rub the beef all over with 15 mL (1 Tbs) salt. Wrap it in butcher paper or plastic wrap, put it on a platter or rimmed baking sheet, and refrigerate for at least 2 hours.
  3. Remove the beef from the refrigerator and let sit for about an hour before roasting. In a small bowl, combine the mustard, Worcestershire sauce, garlic, honey, soy sauce, thyme, and a few grinds of pepper; set aside.
  4. Heat a flame-proof roasting pan over medium-high heat, using 2 burners if necessary. Add the oil, swirling the pan to coat, and then add the beef. Cook, turning with tongs, until well browned on all sides, about 12 minutes total. Transfer to a cutting board; wipe out the pan.
  5. Brush the glaze over all of the beef, return it to the roasting pan, and roast to an internal temperature of 120°F for rare, 16 to 20 minutes, or 52°C (125°F) for medium rare, 22 to 26 minutes. Transfer to a cutting board, tent with foil, and let rest for 15 minutes.
  6. Melt the butter in a saucepan over medium-low heat. Add the shallot and cook, stirring occasionally, until tender, about 3 minutes.
  7. Add the Cognac, turn the heat up to high, and boil until reduced by half, 2 to 3 minutes. Add the stock and thyme and boil until the mixture has reduced to just over 1 cup, 15 to 20 minutes. Discard the thyme sprigs.
  8. Stir in the cream and black pepper and lower the heat to maintain a gentle boil. Cook, stirring occasionally, until the sauce is reduced to 2 cups and is a bit thicker than heavy cream, about 20 minutes.
  9. Remove from the heat and whisk in the Parmigiano, mustard, lemon juice, and Worcestershire sauce. Once the cheese has melted, season to taste with more salt, pepper, or lemon juice.
  10. Slice the tenderloin into medallions and pour any juice that has accumulated over the sliced beef. Serve the beef with the sauce.