PitmasterX

Ingredients

• 1 kg / 2.2 lbs flank steak
• 20 g / 3/4 oz fresh parsley
• 10 g / 1/3 oz fresh chives
• 1/2 lemon
• 60 g / 2 oz Parmesan cheese
• 1 garlic clove
• 60 g / 1/2 cup walnuts
• 30 g / 2 tbsp cream cheese
• 60 ml / 1/4 cup olive oil
• 100 g / 3.5 oz prosciutto
• 100 g / 3.5 oz bacon
• 150 g / 5 oz oyster mushrooms
• 50 g / 1.75 oz butter
• 25 g / 0.88 oz all-purpose flour
• 30 ml / 1 fl oz cognac or beer
• 500 ml / 17 fl oz high-quality beef stock