shrimp a la bittman

A few months ago I wrote about how I like to poach shrimp (and other fish and shellfish) in olive oil. And I still do! But I also like to cook shrimp using a method I learned from Mark Bittman. He slathers shrimp in a loose green sauce and roasts them at 500 degrees (I do 450). The shrimp emerge, unscathed by the heat -- cooked through quickly enough that they remain delicate and plump, with a juicy snap. Recently, I pared down the recipe even more, giving the shrimp a slick of oil, and lemon and lime zest, showering them with the citrus juices at the table.