Asparagus with Romesco Sauce

The Spanish, like the French, love their asparagus white and as fat as your thumb. You can even buy cans of preserved white asparagus from Navarra, so highly prized that they are given the title of “espárragos cojonudos”, quite literally “asparagus with balls”. Now there’s a rather disturbing thought. Green asparagus is available in the markets too. I had never considered barbecuing or chargrilling asparagus until I came upon this recipe. You can place the stalks over the hotter flam