Step by step

Add 250ml of tomato passata to the fish in the pan and season with a little salt and sugar

You can keep lasagna in the fridge in an airtight container for 2-3 days at most.
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.
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