Besciamella recipes

For Cannelloni alla Besciamella you will need cannelloni shells, chopped beef, onion, minced prosciutto, butter, bay leaf, flour, plum tomatoes blanched peeled seeded and chopped, day old bread stripped of crust and crumbled, freshly grated parmigiano, some milk, freshly grated nutmeg, and milk to make this pasta besciamella recipe.