Set 12 paper moulds into a 12-cup muffin mould or oil the cups.
In a bowl, mix all the flours with baking powder.
In another bowl with an electric mixer, whisk butter with brown sugar until the mixture blanch. Add eggs and mix until obtaining a homogenized paste. Add milk.
With a wooden spoon, add dry ingredients. Mix until obtaining a homogenized preparation. Avoid mixing too much.
Add blueberries with orange zests. Stir lightly few seconds.
Pour paste into cups. Oven-bake for 20 minutes until a toothpick set at the center gets out clean.
Remove from oven. Unmould and cool down on a grill.
Did you know that...
Blueberries can be stored in the freezer for up to 6 months.