1. In a large bowl mix the chestnut flour with water.
2. Then add a pinch of salt and 4 Tbsp. oil. Add the oil one tablespoon at a time and mix each one in well.
3. In the meantime soak the raisins in luke warm water until soft.
4. Drain, dry and flour the raisins with some chestnut flour.
5. Add the raisins to the batter and mix them in.
6. Grease a 9 inch springform pan with olive oil and then pour the batter in.
7. Sprinkle the pine nuts on top and add 2 Tbsp. of olive oil too.
8. Bake in a preheated oven for 30 minutes at 390° F.
9. Serve once it has cooled off.