Preheat your oven to 450°F (230°C).
Line a baking sheet with parchment paper or lightly grease it to prevent sticking.
In a large mixing bowl, whisk together the flour, baking powder, baking soda, and salt until well combined.
Using a pastry cutter or your fingertips, incorporate the cold cubed butter into the dry ingredients until the mixture resembles coarse crumbs. It's okay if some larger pea-sized pieces of butter remain.
Create a well in the center of the dry ingredients and pour in the cold buttermilk. Gently stir the mixture until the dough comes together. Be careful not to overmix; the dough should be slightly shaggy
Turn the dough out onto a floured surface and gently pat it into a 1-inch thick rectangle. Using a floured biscuit cutter or a sharp knife, cut out rounds or squares of dough and place them onto the prepared baking sheet, leaving a little space between each biscuit.
Place the baking sheet in the preheated oven and bake the biscuits for 10-12 minutes, or until they are golden brown on top and cooked through. Remove from the oven and let them cool slightly before serving.
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