We mix the chicken blood with the breadcrumb and let it rest. In a frying pan we sauté the lard cut in very small pieces, we add the pine nuts, the lean, the parsley and the salt. Add to the bread and blood mixture the finely chopped mint leaves, pepper, cinnamon and the previous sofrito; add the eggs and mix well all the dough with your hands making individual balls. Set aside. We prepare the paella in the traditional way and when we add the rice, we will incorporate the balls that we have reserved.