chateaubriand with red wine sauce

Name: chateaubriand with red wine sauce
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Yield: 2 servings
Ingredients: 1 Beef stock pot; 1 pinch of Black pepper; 500 gr of Chateaubriand; 30 ml of Extra virgin olive oil; 1 pinch of Fine sea salt; 1 sprig of Fresh thyme; 125 ml of Red wine; 1 Shallot; 20 gr of Unsalted butter