Start by dicing the bacon into small cubes, if using streaky bacon, and sauté on a medium heat until crispy. Just before removing it from the heat, add 15 ml (1 tbsp) honey and sauté for 30 seconds. Set aside to cool.
Whisk flour, baking powder, baking soda, garlic powder, cayenne pepper, salt, and white pepper together in a large bowl. Add in the chives and chilled shredded cheese.
Grate the frozen butter using a box cutter - don't grate too finely, medium shreds. Add the butter to the flour mixture and combine with your fingers, two forks or a pastry cutter until the mixture comes together in pea-sized crumbs. Place in the refrigerator or freezer as you mix the wet ingredients together. Add 170ml of chilled buttermilk and the egg yolk (save egg white for step 5) to a small container. Add in the honey-glazed bacon bits and mix until combined. Pour over the flour-cheese mixture and then mix until the dough clumps together.
Tip the dough onto a clean and floured, work surface and lightly press the dough together. Add a sprinkle of flour if the dough seems too sticky, or a tbsp of cold buttermilk if it's too dry. Do not over work the dough otherwise the butter will start to soften. Do not knead but rather press it into a rectangular shape (or shape of choice) with 1/2 thumbs height and, with a sharp knife cut into 8 pieces or however big you'd like them. Place the scones on a lined baking sheet, 8 cm apart.
Whisk the remaining buttermilk with the reserved egg white. Brush lightly onto the scones and, if you'd like, sprinkle a touch of flaky sea salt on top for extra flavour. Refrigerate for a minimum of 15 minutes or until the oven has preheated. Once the scones are in the fridge, preheat the oven to 204℃/400℉.
Bake for 25 minutes or until golden brown around the edges and on top. Remove from the oven and cool for a few minutes on the baking sheet before devouring.