Using ingredient clarified butter for -sauteing

Esterhazy Rostbraten

• 10 peppercorns (white)
• 1 bay leaf
• 1 turnip (yellow)
• 1 celery root
• 1 onion (white)
• 1 lemon
• 1 sour cream
• 240 ml brown beef stock
• 230 gr clarified butter for -sauteing
• 200 gr sirloin