Whisk 2 cups flour, 2 teaspoons each baking powder and chopped chives, 1/2 teaspoon kosher salt and 1/4 teaspoon baking soda.
Cut in 1 stick chopped cold butter.
Stir in 4 chopped cooked bacon slices and 3/4 cup buttermilk until combined.
Roll out to 1/2 inch thick on a floured surface; cut out 1-inch rounds.
Bake at 375 degrees F, 16 minutes.