01 -
Preheat oven to 425°F and line a baking sheet with parchment paper.
02 -
In a large mixing bowl, whisk together flour, baking soda, and salt until homogenous.
03 -
Form a well in the center of the dry mixture. Pour in buttermilk and add melted butter if desired. Stir gently until a shaggy dough forms; avoid overmixing.
04 -
Turn dough onto a floured work surface and knead lightly to create a round loaf. With a sharp knife, score a deep 'X' across the top.
05 -
Transfer loaf to prepared baking sheet. Bake for 30 to 35 minutes, until golden brown with a hollow sound when tapped on the base.