Already having the fettuccine to hold them aside on the floured table. To cook to middle fire in a frying pan that are enough wide the pieces of bacon. We mix sometimes for at least 7 minutes. When they become crispusing a punctured spoon to throw the bacon out from the frying pan and to drain them on an absorbent paper. The fat of the bacon must be eliminated, let's hold aside at least 1-2 spoons of it. To put again the bacon to middle fire in the frying pan. We add some Belgian endive with some oil of olive. Leave to fry slightly mixing frequently for about 3 minutes, then to add some pinch of salt and pepper. To this point in about 3 liters water (already in ebullition) with half salt's teaspoon we put the fettuccine for at least 2 minutes. To put in the frying pan, draining water,the fettuccine with the Belgian endive. Now we add also the bacon, we mix and it is ready to be served.