• prep: 15 min
• cook: 5 hr 45 min
• total: 6 hr

servings:

Using dried porcini mushrooms as the base of the rub for this dramatic centerpiece roast gives it the funky, earthy flavor usually associated with expensive dry-aged beef. Our tangy Horseradish-Yogurt Sauce is the perfect accompaniment.

• 1/3 cup dried porcini mushrooms (about 1/2 ounce)
• 2 tablespoons kosher salt
• 1 tablespoon whole black peppercorns
• 1 teaspoon marjoram or oregano leaves
• 1 (4-rib) bone-in rib roast (about 10 pounds)
• Flaky sea salt and Horseradish-Yogurt Sauce (for serving; optional)

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