Pineapple, Orange and Lemon Jam
4 Medium Oranges
2 Lemons
¾ pint Water
½ level tsp Bicarbonate of Soda
¾ lb Pineapple
4 ½ lbs Sugar
1 bottle Certo
1. Wash the oranges and lemons and remove
the skin in quarters using a
sharp
knife.
2. Pare off and discard about half of the
white pith.
3. Shred the skins very finely and place
in a pan with ¾ pint of water and
the
bicarbonate of soda.
4. Bring to the boil and simmer covered
for about 10 minutes until the
skins
can be crushed very easily between the thumb and forefinger,
stir
occasionally.
5. Cut up the peeled fruit discarding the
pips and tough skin.
6. Add the pulp and juice to the cooked
fruit and simmer, covered, for a
further
20 minutes.
7. Cut up the pineapple very thinly and
add to the prepared citrus fruits,
making
up the weight with water and to 2 ¾ lbs if necessary.
8. Place in a large preserving pan and add
the sugar, heat gently, stirring
occasionally
until the sugar has dissolved.
9. Add a small knob of butter and bring to
a full rolling boil and boil for 5
minutes.
10. Remove from the heat and stir in the
Certo.
11. Stir and skim by turns for 5 minutes to
cool slightly to prevent fruit from
floating.
12. Pot and cover in the usual way.