Combine all-purpose flour, baking powder, baking soda, salt, & sugar in a large mixing bowl

Pour flour mixture into a food processor & add in cubed unsalted butter

Pulse the food processor until the mixture resembles coarse crumbs

Pour the processed flour mixture into a bowl & work the mixture with your hands

Add buttermilk into the flour mixture & combine by folding until achieving a sticky consistency

Generously flour your cutting board & hands

Pour dough onto floured surface & flatten evenly into a circle, using your hands

Using a cookie cutter or rounded glass, cut into the dough to create a perfect rounded shape

Repeat this process until there is no remaining dough

Place the biscuit rounds onto a baking sheet

Top the biscuit rounds with extra buttermilk, or egg wash

Heat the biscuits in the oven at 375 degrees for 15-20 minutes, or until golden brown