01 -
Pop a 10-inch cast iron skillet into the oven while setting it to 475°F (245°C).
02 -
In a bowl, beat the eggs until fluffy, then mix in the milk. Slowly add in the flour, salt, and nutmeg, stirring until smooth and lump-free.
03 -
Take the skillet out of the oven, drop the temperature down to 425°F (220°C), and swirl melted butter around the pan to coat it evenly.
04 -
Pour the batter into the skillet straight away and place it back in the oven. Let it cook until golden on top and nice and puffed, about 12 minutes.
05 -
Once out of the oven, sift powdered sugar over the top right before you dig in.