In a saucepan, melt the butter. Add the flour while continuing to stir until you achieve a thick paste. Slowly pour in the hot broth. Keep on mixing continually so no lumps form. Bring to a boil and then reduce the heat to a simmer.
3 ½ tablespoon butter, 3 tablespoon flour, 400 ml beef broth / stock
Leave the sauce to simmer for about 9-10 minutes to reduce the floury taste.
Stir in the tomato paste and cream. At this point, the sauce should no longer be boiling.Add salt and pepper to taste.
1 tablespoon tomato paste, 125 ml whipping cream, salt and pepper
Optional, you can sprinkle some fresh cut parsley to serve the sauce.