Buttermilk Blueberry Muffins

0 Preheat oven to 375F.
1 Dust the fresh blueberries with the 1/4 cup flour.
2 Set aside.
3 Put paper or silicone liners in muffin cups or spray with baking release spray.
4 Combine remaining 1-3/4 cups flour, sugar, baking powder, and salt in a bowl.
5 Stir in buttermilk, egg, butter, and vanilla extract.
6 Fold in the floured blueberries and any remaining flour with them.
7 Spoon into muffin cups.
8 Sprinkle a little white sugar on the tops if desired.
9 Bake for 20-25 minutes or until a wooden pick inserted in center comes out clean. Muffins will read 209℉-210℉ when tested with an instant read thermometer when done.
10 Cool in pans for 5 minutes.
11 Turn out to cool completely or serve.