Serves: 6 people Difficulty ': Media Preparation time: about 30 minutes INGREDIENTS 250g. 24 paccheri 250ml of ricotta cheese. 25g skimmed milk. 15g flour. 200g butter plant. 50g of smoked cheese. Parmesan salt pepper PROCEDURE -------------------------- For the bechamel, melt the butter in a saucepan, add flour and let it roast a few minutes stirring with a wooden spoon, then add the hot milk all at once stirring, this time with a whip.