Preheat oven to 450ºF and gather ingredients.

Oil the cast iron skillet.

Sift flour, salt, and baking powder together in a bowl and make a well in the middle.

Slowly add the buttermilk and mix together. Make sure the dough is moist.

Move mixture into the skillet and pat into shape.

Bake for 15 minutes at 450ºF then lower the temperature to 375ºF and bake for 20 minutes more (35 minutes total).

Remove from skillet and allow to cool 30 minutes or so.