Popovers

The popover is a culinary marvel, a loose batter that, with the aid of a hot oven, expands like a golden cumulus cloud, producing a crisp, hollow pastry with a soft, eggy interior. While the mixture is very similar to crepe batter, when you confine it to deep, narrow, muffinlike molds, the surface of the batter sets and the air is trapped, so that the pastry has nowhere to go but up and out, creating a gravity-defying bubble...