Grapefruit Jelly
4 Large Grapefruits
2 ¾ lbs Sugar
1 Bottle Certo
1. Grate the rinds of the grapefruits
finely, taking care not to use
the
white pith.
2. Squeeze the juice which should measure
1 ½ pints.
3. Add the juice of the grated rinds and
stand for 10 minutes.
4. Put the sugar and juice into a large
saucepan and heat slowly, stirring
occasionally
until the sugar has dissolved.
5. Add Certo, bring to a full rolling boil
and boil rapidly for 1 minute.
6. Skim, pot and cover in the usual way.