Rosemary-and-Pepper Standing Rib Roast with Two-Mushroom Pan Sauce

Ingredients

• 1 ½ ounces dried porcini mushrooms
• 2 cups water
• 10 tablespoons olive oil
• 2 teaspoons freshly ground black pepper
• 1 tablespoon coarse kosher salt
• 6 ½ teaspoons dried rosemary
• 1 well-trimmed 8- to 9-pound rib roast
• + 7 more ingredients
• • 4 tablespoons butter
  • 10 ounces fresh button mushrooms
  • 4 garlic cloves
  • ¾ cup dry red wine
  • 2 tablespoons all purpose flour
  • 1 ½ cups low-salt beef broth
  • 2 bunches fresh rosemary

Place rib roast, fat side up, in heavy roasting pan. Mix 4 teaspoons crushed rosemary, salt, and pepper in small bowl. Stir in 1/2 cup oil. Rub mixture all over roast. DO AHEAD Can be made 1 day ahead. Cover and chill. Let stand at room temperature 45 minutes before roasting. Combine 2 cup...

View full recipe at Epicurious