Heat oven to 425 degrees F. Put the butter in an 8-inch square baking pan and
set in the oven while it's heating.
Meanwhile, stir the dry ingredients together and make a well in the center of
In another bowl, whisk together the wet ingredients.
As soon as the oven is hot, remove the pan and brush the butter around the edges.
Pour any excess into the wet ingredients. Quickly mix the wet and dry ingredients
together, then pour the batter into the pan, and bake in the middle of the oven until
golden brown on top and beginning to pull away from the edges, about 25 minutes.