Coffeehouse Scones:

2 cups (260 grams) all purpose flour

1/4 cup (50 grams) granulated white sugar

1 teaspoon baking powder

1/2 teaspoon baking soda

1/4 teaspoon salt

1/2 cup (113 grams) unsalted butter, cold and cut into pieces

2/3 - 3/4 cup (160 - 180 ml) buttermilk

1 teaspoon vanilla extract (optional)