1 and 3/4 cups (420ml) buttermilk*
1 large egg (optional, see note)
4 and 1/4 cups (515g) all-purpose flour (spoon & leveled), plus more for your hands and counter
3 Tablespoons (38g) granulated sugar
1 teaspoon baking soda
1 teaspoon salt
5 Tablespoons (70g) unsalted butter, cold and cubed*
optional: 1 cup (150g) raisins
