-
Place a 10-inch or 12-inch cast iron skillet in the oven, and preheat to 425 degrees F. When the skillet reaches 400 degrees, add butter and let melt.
-
In a large mixing bowl, beat together milk, eggs, flour, cocoa powder, salt, vanilla, and sugar until smooth. {Batter will be thin.}
-
Carefully pour batter into hot skillet. Bake for 20 minutes, until the sides of the pancake are puffy and center is set.
-
Remove from oven and let rest for 5 mins before serving. Dust with powdered sugar.