Store the leftover peppercorn sauce in an airtight container in the refrigerator. Reheat it and use it within 1 to 2 days.

If you don’t have a mortar and pestle, you can put the peppercorns in a seal able plastic bag. Hit the peppercorns in the bag with a rolling pin until they’re slightly crushed.

You can store the leftover peppercorn sauce in an airtight container in the refrigerator for 1 to 2 days.

If you cooked steaks in the skillet, you could use 1 tablespoon (14 g) of drippings instead of the butter.

You can also use heavy cream or heavy whipping cream.

Store the leftover peppercorn sauce in an airtight container in the refrigerator. Reheat it and use it within 1 to 2 days.