Heat oven to 450°. Place beef in ungreased shallow baking pan. Brush with 1 tablespoon oil; sprinkle all sides with salt, pepper and rosemary. Insert meat thermometer so tip is in thickest part of beef. Bake uncovered 20 to 25 minutes or until thermometer reads at least 140°. Cover beef with aluminum foil and let stand 10 to 15 minutes until thermometer reads 145°.