Go Back
Print
Beef in Lemon Mustard Sauce

Beef with Lemon Mustard Sauce

Course Dinner
Cuisine American, European
Keyword beef recipes, Easy recipes, Lemon Beef, Lemon Mustard Beef, lemon mustard sauce, quick recipes
Prep Time 20 minutes
Cook Time 25 minutes
Servings 6
Author Lora Wiley-Lennartz

Ingredients

  • 2 lbs beef sirloin
  • Kosher salt and freshly ground pepper
  • 2 tablespoons olive oil
  • 1 Sweet onion
  • 1.5 cups beef stock
  • 3 tablespoons whole-grain Dijon mustard
  • 3 tablespoons freshly squeezed lemon juice
  • 1 tablespoon cornstarch
  • 1-2 pinches sugar
  • Parsley for garnish

Instructions

  1. Cut the sirloin into bite-sized pieces. Season with salt and pepper.
  2. Peel and dice the onion.
  3. Juice and zest the lemon.
  4. Heat the olive oil in a skillet.
  5. Add the beef and sear on all sides.
  6. Season with salt and pepper.
  7. Cook until desired pinkness.
  8. Transfer the beef to a serving plate and cover to keep warm.
  9. Add the onion. Sauté until transparent.
  10. Add the beef stock and bring to a boil.
  11. Whisk in the lemon juice, zest, and mustard.
  12. Transfer a few tablespoons to a small dish and whisk in the cornstarch.
  13. Slowly whisk the mixture back into the skillet.
  14. Keep whisking until the sauce thickens.
  15. Season with salt, pepper, and sugar.
  16. Pour the sauce over the cooked beef.
  17. Garnish with parsley and serve.