Wash hands with soap and water.

Preheat oven to 450 °F.

In a medium bowl, combine flour, baking powder, baking soda, salt, and sugar.

In a small bowl, stir together buttermilk and oil. Pour over flour mixture and stir until well mixed.

On a lightly floured surface, knead dough gently for 10 to 12 strokes.

Roll or pat dough to ¾-inch thickness. Cut with a 2-inch round biscuit cutter, dipping cutter in flour between cuts.

Transfer biscuits to an ungreased baking sheet.