Preheat oven to 220 degree C. Line a baking pan with parchment paper and set aside.

Now take flour, salt, baking soda, baking powder in a bowl and mix well.

Add in cubed cold butter and use a fork to rub it well into the flour.

Now put this bowl in fridge for another 15 mins so the flour gets cold.

Add in the cold buttermilk and use a fork to bring it to together, it will look a bit crumbly but not to worry.

Now transfer this to a working surface, and pat it gently and fold in thirds now fold again and in third and fold again in third. Now the dough must have come together.

Now roll it using a rolling pin and cut into rounds.

Arrange it in a baking tray and brush the top with milk or buttermilk. Bake for 15 mins.

Serve hot or warm.