Stir the oil, powdered sugar and milk powder evenly
Add an egg and mix well
Pour the flour into three times and mix evenly
You can add dried fruits such as cranberry, and you can put it in the mold (the rectangular parallelepiped with a cross section of 4*6 cm).
Let the refrigerator freeze for about two hours, take out the slices, 175 degrees and 15 minutes or so (the oven is differently self-made)