Remove the heads from the sardines and place in iced water for 20 minutes. Drain then fillet. Just before serving cut into very small dice to make a tartar.
Sear the sardines over charcoal, then place in a frying pan with the sunflower oil at 80ºC / 176ºF. Leave to infuse until the oil has the desired flavor, then strain and keep the oil.
Cut the apples and blend to obtain the juice. Insert some sprigs of parsley in the juice to prevent it from oxidizing.
Soak the gelatin then drain and stir into 50 g / 2 oz of juice. Then add the rest of the juice and freeze. To make the granita, scrape the frozen juice.
Add the agar agar to 100 g / 3 1/2 oz of cold juice and bring to the boil, stirring all the time. Add the rest of the juice and stir well. Pour onto cold serving dishes and leave to set.
Ajoblanco (almond and garlic cold soup)
Soak the breadcrumbs in the water for 1 hour. Blanch the almonds then peel them. Place the garlic and the almonds in the blender with a little salt and grind. Add the soaked breadcrumbs and blend while gently pouring in the olive oil. Bind slowly with the vinegar and the water used to soak the breadcrumbs. Add the xanthan to bind fully.