Ingredients 1/2 cup brown sugar 2 teaspoons ground cumin 2 tablespoons ground black pepper 2 tablespoons ground coriander 1/4 cup chili powder 2 tablespoons kosher salt 1/4 cup soy sauce   1/2 cup chili powder 3 tablespoons Cajun-style blackened seasoning   6 pounds prime rib roast, bone in 2 cups water   Directions In a […]