.....well, it's really an Asparagus Popover but it looks more like a fritatta to me. I feel like a popover should have a thicker crust but that's just my opinion. Maybe if I made this in a slightly bigger pan there would have been more extension of the crust, but it's water under the bridge at this point.
We could call it a Po-tatta? No? Either way it doesn't matter, it was good. It calls for gruyere cheese. Anything with gruyere is pretty much fine by me. I'm easy to please. The recipe does say you can substitute Swiss for the gruyere but really, why would you? It's not going to be the same.
This is a great brunch item. Simple to make, easy to find ingredients. I suppose you could have it for dinner too. It would be fabulous with a salad and a glass of wine.