Mix the flour, almonds, baking powder, baking soda, sugar, vanilla sugar and cinnamon in a bowl.
Mix the oil, eggs and yoghurt in a second bowl and add to the other ingredients in the bowl. Mix briefly with a wooden spoon. Add the blueberries and fold in. Spread the batter evenly in the muffin pan and sprinkle with flaked almonds.
Bake in a hot oven at 180 degrees for about 25-30 minutes.