Ingredients
1 beef rib eye roast, about 4 pounds
1 teaspoon salt
1/2 teaspoon coarsely ground black pepper
1/2 teaspoon dried leaf thyme
1/4 cup Dijon mustard
2 teaspoons prepared horseradish
Preparation
Combine salt, pepper, and thyme; rub over all sides of roast.
Place the roast, fat side up, on a rack in a roasting pan. If using a meat thermometer, insert in center of roast.
Roast at 350° for about 1 hour.
Combine Dijon mustard and horseradish; spread over the beef.
Roast for 25 minutes longer, or until roast is about 145° (on instant-read thermometer or meat thermometer) for medium rare.
Roast to about 160° for medium.