Prime Rib Recipe • Rouses Supermarkets

Ingredients

• 1 (6-pound) boneless prime rib roast
• 2 tablespoons prepared horseradish
• 2 tablespoons Dijon mustard
• 2 teaspoons kosher salt
• 2 teaspoons coarsely ground black pepper
• 2 teaspoons dried thyme
• 2 teaspoons garlic powder
• 2 stalks celery, cut into 2-inch pieces
• 1 carrot, cut into 2-inch pieces
• 1 small onion, quartered and separated
• 2 teaspoons concentrated beef base (paste)
• 1-1/2 cups water
• 1 teaspoon cornstarch
• 1 teaspoon water