How to Make It
Combine first 8 ingredients in a medium bowl. Add 1 teaspoon salt to spice mixture. Rub spice mixture evenly over lamb. Reroll roast; secure at 1-inch intervals with twine. Wrap in plastic wrap; refrigerate 6 to 24 hours.
Preheat oven to 375°.
Remove lamb from refrigerator; let stand at room temperature 30 minutes. Place lamb on a wire rack; place rack in a roasting pan. Pour 4 cups water into pan. Roast lamb at 375° for 1 hour and 45 minutes or until thermometer registers 130°. Remove from oven. Let stand at room temperature 20 minutes; cut across grain into thin slices.
Place drippings from pan in a small saucepan over high heat; bring to a boil. Cook until reduced to 1 cup.
Combine onion and next 5 ingredients (through 1/2 teaspoon pepper) in a small bowl. Stir in 1/2 teaspoon salt.
Combine remaining salt, parsnips, and remaining ingredients in a bowl; toss to coat. Serve with lamb. Top lamb with herb mixture; drizzle with jus.
Campo, Reno, Nevada