Juli's Fool-Proof Rib Roast Recipe

Let beef stand at room temperature 1 hour.

Preheat oven to 350 degrees F (175 degrees C).

Stir together 2 teaspoons salt garlic powder pepper thyme and fennel seeds in a small bowl. Put beef rib side down on a rack set in a roasting pan. Rub beef with spice mixture.

Place pan in preheated oven. Roast until an instant-read thermometer inserted into thickest part registers at least 135 degrees F for medium-rare 1 3/4 to 2 1/4 hours or 150 degrees F for medium 2 1/4 to 2 3/4 hours. Transfer beef to a cutting board; let stand covered with foil about 15 minutes (do not drain pan).

Meanwhile boil potatoes and onion in a pot of salted water 10 minutes. Drain then sprinkle with remaining 1/2 teaspoon salt.

Remove rack from roasting pan add vegetables and toss to coat with drippings. Return pan to oven and roast until vegetables are browned and tender 30 to 40 minutes.

Make Dipping Sauce

Stir together sour cream horseradish and chives in a bowl.