Continue to do this until all the milk has been added, whisking continually. For the lasagne, blanch the pasta in salted boiling water for three minutes. Spoon a third of the bechamel sauce into ...
Spread one-third of the meat sauce across the bottom of a medium lasagne dish (approx 2-2.5 litres/3½-4½ pints in volume) and top with a quarter of the béchamel, then cover with lasagne sheets ...