Soak the raisins, and also the capers in cold water for 30 minutes changing the water.
Chop the anchovies on a chopping board, then wash and chop the parsley.
In a pan, influse the garlic in 3 tbsp olive oil and then remove. Add the breadcrumbs and let it toast for a few minutes and then add the pitted black olives.
Add the capers together with the pine nuts and chopped anchovy fillets.
Add the previously chopped parsley, squeeze the raisins and pour them into the pan and then season with salt and pepper.
Stir well blending the mixture. Turn off the flame and let it cool by collecting it in a container and then adding the grated pecorino.
When the escarole is cool open it very gently in the middle and place the breadcrumb in the center, not letting mixture come out.
Close the escarole delicately.
Place it in the baking dish together with the cooking liquid and cook in a preheated oven at 180° for about 35 - 40 minutes.
Serve and enjoy!