When grinding the spices it is best to use a mortar and pestle or a small spice grinder. The rub produced by a food processor is too coarse.
2 tablespoons dried rosemary
2 tablespoons dried thyme
2 tablespoons kosher salt
2 tablespoons white peppercorns
How to Make It
Combine dried rosemary, dried thyme, kosher salt, and white peppercorns in a mortar bowl or spice grinder; grind using a pestle or grinder until herbs and pepper become a medium-fine powder. Store in an airtight container in a cool, dark place up to 6 months.