Preheat oven to 400 F and move the rack to the center.
In a medium size bowl add the eggs, sour cream and mix until it's well combined, set aside.
In a large bowl whisk together the flour, granulated sugar, salt, baking powder, and baking soda.
Using a grater, grate the butter into the bowl and then mix with a fork untill just combined.
Add the wet ingredients into the dry ingredients and mix until combined.
Add the fresh blueberries and knead the dough until everything is mixed in.
Lay the dough on a floured surface and create a circle (check the youtube video). Then slice into 9 pieces and place on a mat lined with parchment paper.
Bake for 15-17 minutes and drizzle glaze*