It is expensive because of the low yield from the sap (40 gallons of sap are needed for one gallon of syrup!) but the cheaper imitations labelled ‘maple-flavoured syrup’ made from a mixture of ...

When the sugar has dissolved, add the orange zest and lemon juice and simmer for 8–10 minutes until you have a thick syrup. Add the orange slices to the syrup, then set aside. Allow the pie to ...