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Chef John's Steak Diane

Lakshman Rao Sarnala
A classic steakhouse dish featuring tender beef, a flambéed cognac sauce, and rich, creamy flavors.
Prep Time 10 minutes
Cook Time 15 minutes
5 minutes
Total Time 30 minutes
Course Main Course
Cuisine American, French
Servings 2

Ingredients
  

  • 2 beef tenderloin steaks (6-8 oz each)
  • 1 tbsp olive oil
  • 2 tbsp unsalted butter
  • 1/2 cup mushrooms, finely sliced
  • 1 shallot, minced
  • 2 cloves garlic, minced
  • 1/4 cup cognac or brandy
  • 1 tsp Dijon mustard
  • 1 tsp Worcestershire sauce
  • 1/2 cup heavy cream
  • 1/4 cup beef broth
  • 1 tsp fresh parsley, chopped
  • 1 tsp black pepper
  • Salt to taste

Instructions
 

  • Prepare the steaks:
    Season both sides of the steaks with salt and black pepper.
  • Sear the steaks:
    Heat olive oil in a skillet over medium-high heat. Sear the steaks for 3-4 minutes per side until browned. Remove and let rest.
  • Sauté the aromatics:
    Melt butter in the skillet and add mushrooms, shallots, and garlic. Cook until softened.
  • Flambé the sauce:
    Carefully add cognac and ignite with a long lighter to burn off alcohol.
  • Add seasonings:
    Stir in Dijon mustard, Worcestershire sauce, and beef broth. Simmer for 2 minutes.
  • Finish with cream:
    Pour in heavy cream and stir well. Cook until the sauce thickens.
  • Combine:
    Return the steaks to the skillet and coat with the sauce.
  • Serve:
    Garnish with fresh parsley and serve immediately

Notes

  • Always use caution when flambéing; keep a lid nearby to extinguish flames if necessary.
  • If you prefer not to flambé, simply let the alcohol simmer until reduced.
Keyword classic steakhouse dish, Steak Diane recipe