Exquisite Wagyu Beef Stroganoff: Creamy Indulgence with a Touch of Lux

Ingredients

• 2 lbs Wagyu beef sirloin, thinly sliced
• 1 tablespoon sea salt
• 1 teaspoon freshly ground black pepper
• 2 tablespoons extra virgin olive oil
• 1 medium onion, finely diced
• 3 cloves garlic, minced
• 2 cups button mushrooms, thinly sliced
• 2 tablespoons unsalted butter
• 1/3 cup all-purpose flour
• 1 cup beef broth
• 1 cup dry white wine
• 2 cups sour cream
• 1 teaspoon Dijon mustard
• Fresh parsley, finely chopped (for garnish)
• Cooked egg noodles or rice, for serving