2 tablespoons black peppercorns
2 tablespoons mustard seeds
1/2 cup whole grain mustard
2 tablespoons Worcestershire sauce
2 tablespoons rosemary
Crush the pepper and mustard seeds. Mix all together into a paste and apply to roast. Let sit overnight. Roast at 350 degrees for 15 minutes per pound (or 130 degrees on a meat thermometer).