Step by step

When the fish sauce is well flavoured, add the whole prawns and cook for half a minute

Tips
You can keep lasagna in the fridge in an airtight container for 2-3 days at most.
Trivia
Although lasagna has known its greatest fame and has spread across the world since World War II onwards, in ancient Rome there was a similar dish. And we read in ‘The culinary art of Apicius’ that lasagna was the favourite dish of Cicero.