Fix the lid on the pressure cooker and place over a high heat until it reaches pressure. Reduce the heat to low and cook for 1 hour. (If using an electric pressure cooker, use the high pressure ...
(If using an electric pressure cooker, use the high pressure setting for 45 minutes.) Remove the pressure cooker from the heat and leave to depressurise. Preheat the oven to 200C/180C Fan/Gas 6.
Wright opens by explaining that in an emergency, traditional pressure canning might not be an option. “If the grid goes down and you have an electric stove, you can’t use your canner,” she says.