3 salt herb prime rib fresh horseradish sauce Recipes

beef rib roast , chine bone removed (approximate size for 4-rib roast), garlic cloves, thinly sliced, worcestershire sauce, cracked mixed peppercorns or 2 tbsp cracked black peppercorns, kosher salt, garlic powder, dried thyme, head garlic, olive oil, reduced-fat sour cream, heavy cream or 1/2 cup whipping cream, prepared horseradish, drained (1 cup), table salt, pepper, fresh herb, for garnish

four-rib beef rib roast (about 8 lbs.), fat trimmed to 1/4 in .*, or 1 boned, tied beef cross rib (chuck) roast (4 to 6 lbs.), garlic cloves, slivered lengthwise, extra-virgin olive oil, chopped fresh rosemary leaves or 2 tbsp. dried, chopped fresh thyme leaves or 2 tbsp. dried, freshly cracked black pepper, coarse sea salt