Smoked Prime Rib | America's Test Kitchen

Ingredients

• 1 (6- to 7-pound) first-cut beef standing rib roast (3 bones), fat cap trimmed to ¼ inch
• 2 tablespoons kosher salt
• 1 tablespoon pepper
• 3 (3-inch) wood chunks
• 1 (13 by 9-inch) disposable aluminum pan
• ½ cup mayonnaise
• ⅓ cup prepared horseradish
• 2 tablespoons lemon juice
• 1 garlic clove , minced
• 1 teaspoon Worcestershire sauce
• 1 teaspoon pepper
• ¾ teaspoon kosher salt
• Pinch cayenne pepper