Beat soft butter with sugar and vanilla, add eggs.
Pour flour with salt and baking powder, mix. Add oatmeal and raisins.
Roll the balls with your hands and put them on a baking sheet lined with baking paper. Keep a good distance between the biscuits as they will spread during baking.
Preheat the oven to 180 degrees, plant cookies and bake for 15 minutes, do not dry them, otherwise they will become dry.
Put the finished cookies very carefully on the wire rack and let it cool.