Buenos Aires Garlic Butter Beef Roulades

Overkill as only Argentineans know how to do it—imagine if chicken Kiev had originated not in the Ukraine, but in Buenos Aires. The chicken would be beef; it would be grilled instead of deep-fried; and chances are it would be served on a skewer. Well, just such a dish exists at the hyper-popular restaurant La Cabrera in the trendy Palermo district of Buenos Aires. The butter helps moisten an intrinsically lean cut of beef, like tenderloin (a trick used to great advantage also at North Ameri