1/4 cup whole grain mustard
2 tablespoons Dijon mustard
4 cloves garlic, finely chopped
2 tablespoons white wine vinegar
1 tablespoon low-sodium soy sauce
1 tablespoon honey
1 tablespoon finely chopped fresh rosemary leaves
2 teaspoons Spanish paprika
1/4 teaspoon kosher salt
1/4 teaspoon freshly ground black pepper
Whisk together all of the ingredients in a small bowl, cover, and let sit at room temperature for at least 30 minutes and up to 4 hours before using.
Use with tenderloin skewers or other meats.