Preheat oven to 200 degrees. Line a 6 muffin pan and keep ready.
Combine the dry ingredients into a bowl and whisk till well combined.
Add the egg, oil and milk and fold in till done - do not overbeat!
Fold in the blueberries.
Divide the mixture between the muffin liners and sprinkle some raw sugar on top of each.
Bake for 15 to 20 minutes till a skewer inserted in the center comes out clean.
Cool completely on a wire rack and enjoy with a cup of coffee!