Preheat oven to 375°F
Butter a 13 x 9 pan and set aside.
In a large bowl, combine flour, baking powder, baking soda and salt.
Add in cold butter cubes and using a pastry cutter, cut the butter into the flour mixture.
Continue cutting the butter and flour together until is resembles coarse crumbs
Using a large spoon, stir in the buttermilk until combined, don't over mix
Turn dough out on to a well floured surface.
Using your hands, gently work the dough together. If it is too sticky, add a little flour to make it more manageable.
Once the dough has come together, fold it over on itself.
Gently flatten the dough out.
Rotate the dough 90° and fold over again. Do this 4-5 more times.
Use your hands to flatten the dough into a large rectangle about an 1-1¼ inches thick
Using a floured biscuit cutter, cut out 6 rounds and place in prepared pan.
Gently rework the dough into another rectangle. Do not overwork the dough.
Cut 6 more rounds and place in the prepared pan
Bake biscuits in preheated oven for 15 minutes.
Remove and allow to cool in pan for 3-4 mins.
Serve warm.
