Peel the pumpkin, remove the seeds, cut into small pieces. Bring a saucepan of water to a boil. Add the pumpkin and simmer for 10 minutes, drain and mash. Peel the tomatoes (in boiling water as usual), cut in half and hollow out. Press the middle through a sieve, cut the pulp into small pieces. Chop the onions. Peel and core the apples and cut into small pieces. Put all the ingredients in a large saucepan, slowly bring to a boil and simmer for 2 hours (I don`t let it cook that long!) Until the chutney has thickened. Fill into freshly washed / sterilized jars and close with the screw cap.
Let stand for at least two weeks before use!
Makes about 6 jars of 500 g each. I always fill into small, octagonal jars with screw-on lids, which are nice to give away.