Soak the raisin in warm water for 5 minutes.
Finely dice the white onion and fry it in a pan over low heat until is golden-brown and soft.
Then add the breadcrumbs in the pan. Stir well.
Transfer the mixture into a bowl and let cool down.
Meanwhile, drain the raisin, squeeze with your hands and chop it.
Finely chop cherry tomatoes and parsley.
Add into the breadcrumbs mixture grated cheese, pine nuts, raisin, cherry tomatoes, and chopped parsley.
Season with salt and pepper.
Mix well all the ingredients and add some Extra Virgin Olive Oil.
The mixture should be moist.