Easy Prime Rib with Fresh Horseradish Sauce Recipe | Valerie Bertinelli | Food Network

Ingredients

• 1 first-cut 3-bone prime rib roast (about 6 1/2 pounds), also called standing rib roast
• 1/3 cup freshly grated peeled horseradish (from about a 5-ounce piece)
• 1 1/4 cups creme fraiche or sour cream
• 2 teaspoons white wine vinegar
• 1/2 teaspoon sugar
• Kosher salt and freshly ground black pepper
• 2 bunches rosemary
• 2 bunches sage
• 2 bunches thyme
• 1 tablespoon olive oil
• Flaky sea salt, for serving