Preheat oven to 375.
Combine all of the dry ingredients into a bowl and set aside.
Add all of the wet ingredients into a bowl and mix thoroughly.
Fold the wet ingredients into the dry ingredients, add the blueberries.
Mix until the ingredients are lump-free; do not overmix.
Place the parchment cups into the muffin pan.
Fill each parchment cup 3/4 full.
Top with raw or finishing sugar.
Bake on the center rack of a preheated oven for 18-20 minutes.