In a large mixing bowl, add your flour salt, pepper, baking powder, herbs, scallions & feta. Mix with your hands to combine.
Next, grate your cold butter with a box grater over your flour. Using a pastry cutter or your hands, mix the butter into the flour until the mixture looks coarse and crumbled. Add in your buttermilk and mix it with a spatula just until the liquid is absorbed. Pour it onto a lightly floured surface and lightly knead the dough. Form the dough into a rectangle and wrap in in plastic. Chill for 30 minutes.
Fold your chilled dough into thirds and roll it out into a rectangle again. Repeat this 2 more times. On the last fold, roll it out until 3/4-1 inch thick. Using a knife, cut out 12 even biscuits. Place them onto a sheet pan lined with parchment paper and chill for another 30 minutes in the fridge and preheat your oven to 425°
Remove the biscuits from the fridge and Brush the tops with buttermilk and a sprinkle of salt. Bake for 25 minutes. Enjoy!
Notes
You can use any combination of herbs that you'd like.
Make sure your butter and buttermilk are very cold!
Chilling the dough aids in a good risen biscuit. The butter firms back up and doesn't melt right away when it hits the oven.
Folding the dough is an important step and helps create those flaky layers.