pea

Legumes such as beans and peas naturally form root nodules, specialized structures that create the oxygen-poor conditions these bacteria require.

Rachel attempts to help with the cooking, creating a trifle that includes custard, jam, beef and peas.

The Food and Drink Federation says UPFs can form part of a balanced diet, like frozen peas and wholemeal bread.

Only on rare occasions did their good behavior falter: for example, when peas were unexpectedly served at luncheon.

“I hope our cots do not keep you up all night, as in the story of the princess and the pea.”