Beat the sugar with the butter and add the eggs and egg white, one by one, then add a spoonful of vanilla extract and beat again.
Separately, mix the Acai Tribe with the milk.
In another bowl, add the flour, baking powder and a pinch of salt.
Alternately, add the dry ingredients and the açaí with the milk to the dough.
Place on small baking trays and bake in a preheated oven at 150 degrees for 15 minutes, until cooked through.
Make a topping to taste.