In a large bowl, combine the flour, sugar, baking soda, baking powder and salt.
Grate the butter using a box grater. Gently stir the butter into the flour mixture.
Add one cup of buttermilk, and stir until the dough comes together and begins to leave the side of the bowl. Add additional buttermilk if necessary.
Turn the dough out onto a floured surface. Lightly knead the dough 10 times. Roll or pat the dough to ½-inch thickness. Cut into disks using a 2 to 2-¼- inch round cutter. Place on a greased cookie sheet about one inch apart.
Bake for 15-17 minutes until golden brown. Serve warm.
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Notes
Keep all ingredients as cold as possible.
Use a lightly floured work surface to prevent sticking.
Grated butter creates some of the flakiest biscuits.
Avoid twisting the cutter when cutting biscuits.
Brush the tops with melted butter for extra flavor and color.