Infuse your oil (and weeknight dinner plans) with flavor. This recipe is a mash-up of two classic and simple olive oil–centric dishes: Italian spaghetti aglio e olio (pasta with garlic, chiles, and olive oil) and Spanish gambas al ajillo (a tapa of shrimp quickly cooked in olive oil, also with garlic and chiles). Both dishes highlight the aroma-grabbing qualities of oil. Many of the grassy, fruity, nutty, cheesy, spicy, and funky aromas that we love dissolve much more readily in oil than in…