Recipe from: https://www.recipetineats.com/peppercorn-sauce/
How to make Creamy Peppercorn Sauce
Cook steak to your taste, then remove and rest while you make the sauce;
Make sauce: In the same pan, add brandy or cognac, simmer rapidly for 1 minute until the alcohol smell is gone;
Add beef broth/stock, and simmer rapidly until it reduces by half (intensifies the flavour);
Stir through cream and crushed peppercorns. Serve over steak!