INGREDIENTS
1
(1- to 1 1/2-pound) pork tenderloin
2 tsp
Rosemary, fresh
1 tbsp
Dijon mustard, whole-grain
1/4 cup
Honey
3/4 tsp
Black pepper, freshly ground
1/4 tsp
Cayenne pepper, ground
1 tsp
Kosher salt
1 tbsp
Oil
1/4 cup
Sherry vinegar
1 tbsp
Butter