[header] How to pepper crust a steak [title] Learn about how black pepper can be used. [substeps] Whole black peppercorns can be used to flavor long-simmered sauces or soups. When used in this fashion, a subtle, almost floral, pepper flavor is imparted into the food. 
When ground, some of the essential oils of the peppercorns are disbursed into the air and the resulting flavor is pungent. Crushed peppercorns retain most of their essential oils, giving them a very pungent flavor that pairs well with the taste of beef.