Use a mortar and pestle to crack the peppercorns. If you don't have one you can place the peppercorns in a plastic bag then pound with the side of a meat mallet or bottom of a frying pan. You don't want them too small, just cracked.

olive oil and shallots. Cook 1 minute. Add cracked peppercorns, cook 1 minute. Whisk in 1/2 cup beef broth. Reduce heat to low and slowly whisk in heavy cream. Allow to simmer for 3 minutes or until thickened. If it gets too thick add remaining tablespoon of beef broth.