In a large bowl, whisk together flour, sugar, salt, and baking powder.
2 cups all-purpose flour, 2 teaspoons granulated sugar, ½ teaspoon salt, 1 tablespoon baking powder
Using a pastry blender or your hands, cut in butter until mixture is crumbly.
½ cup 1 stick unsalted butter
In a small bowl, whisk together the egg and buttermilk, or cream.
¾ cup buttermilk, 1 egg
Add liquid ingredients, bacon, cheese, and chives to dry ingredients and stir until moistened, and mixture is well combined and holds together.
1 cup cheddar cheese, 4 pieces bacon, 2 tablespoons chives
Sprinkle a small amount of flour onto parchment paper or counter.
Press dough into 8 inch circle, about ¾ inch thick.
Brush top with additional buttermilk or cream.
Using a sharp knife, cut circle into 8 wedges.
Divide triangles and place on baking sheet lined with parchment paper or silicone mat, leaving enough space for the scones to expand when cooked.
Place in refrigerator for 15-30 minutes.
Preheat oven to 400 degrees F.
Bake for 20-25 minutes or until golden brown.
Remove from oven and cool slightly.
Serve warm or room temperature.
Store leftovers in airtight container at room temperature.