If you use okara be sure to squeeze all the milk you can from it.In a bowl mix okara or almond meal with sugar, flour, salt, baking powder.Mix well.
Add now oil, almond extract and milk and mix until you have a soft dough ( you may need all the milk or a little bit more or less).
Form small balls, roll them in caster sugar and put them on a baking tray.Flat them with the palm of your hand and bake at 180°C/360°F for 10-12 minutes or until slightly gold.
You can store them in a tin box up to a week if you use okara, few days more if you use almond meal.