O,1 liter oats
0,1 liter flour (i took half almond flour half wheat)
0,1-0,15 liter sugar (put some on the blueberries and the erst in the dough.
50 gram butter
0,3 liter blueberries
Mix the dry ingredients, then add the butter and work it into the dough with your hands.
Set the owen at 200 degrees, 15 minutes.