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Steak Diane
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5 from 3 votes

Steak Diane

This Steak Diane is such a classy dish! With a rich, creamy and flavorful sauce, it's a delicious way to enjoy filet mignon..
Prep Time15 minutes
Cook Time15 minutes
Passive time0 minutes
Total Time30 minutes
Servings: 2
Author: Francine Lizotte
Course: Main Course
Cuisine: American
Keyword Beef, Dinner Party, Elegant Cuisine, Gluten Free, Holidays & Events, Low Sodium

Ingredients

  • 1 tbsp. vegetable oil, divided tips & tricks
  • 2 tbsp. clarified butter
  • 2 large filet mignon (about 4 to 6 ounces each)
  • ground Himalayan sea salt, to taste
  • freshly ground black pepper, to taste (I always use mixed peppercorns)
  • 2 large cloves garlic, pressed
  • 1/4 cup shallots, minced
  • 4 ounces Oyster or Shiitake mushrooms, cut into small pieces
  • 1/4 cup Cognac (substitute Brandy)
  • 1/2 cup demi-glace see Recipe
  • 1/4 cup 35% heavy cream
  • 1 tbsp. Dijon mustard
  • 1/2 tbsp. Worcestershire sauce
  • 1/4 tsp. hot sauce
  • 1 tbsp. chives, chopped tips & tricks
  • 1 tbsp. parsley, chopped tips & tricks

Directions

  • Pat dry the filets with paper towels and season generously with salt and pepper; set aside.
  • In a large cast iron skillet over high heat, add oil and butter. When hot, add the steaks and cook until browned turning only once, about 1 ½ to 2 minutes per side for medium-rare (*see footnote). Transfer them to a plate and cover loosely with foil.
  • In the same skillet, reduce the heat to medium, add garlic and shallots; sauté for 30 seconds. Add mushrooms, season with salt and pepper; stir well and cook for 2 minutes.
  • Pour in Cognac, wait 2 seconds and then ignite; cook until the flame dies down. Add demi-glace, heavy cream, Dijon mustard, Worcestershire sauce and hot sauce; stir well and cook for 3 minutes.
  • Return the filet mignon to the skillet including the accumulated juices and spoon the mushroom sauce over to warm them up. After about 1 ½ minutes, transfer the steak to a couple of warm serving plates while finishing the sauce.
  • Add chives and parsley to the sauce; stir quickly and then pour the sauce over the steaks.

Notes

Footnote: Cook according to the thickness of your steaks.