Cranberry jam

How to make it

1. 1

   Boil the berries

   Layer the cleaned, washed berries with the sugar in a preserving pan, add the vanilla and boil, stirring, for 15 minutes.

2. 2

   Reduce the juice

   Lift out the berries and boil down the juice for 10–15 minutes. Pour it hot over the berries, fill jars and cover them the next day.

3. 3

   Cost calculation

   The author gives the previous year's costs: 10 l berries 3.30 kr, 5 kg sugar 2.50 kr and 1 vanilla pod 0.50 kr, 6.30 kr in all. This gave 9½ kg of jam, that is 0.67 kr per kg.

4. 4

   Reference

   See also the section on preserving in “Kogebog for skole og hjem”, page 277.