I made another batch of cucumber and apple chutney yesterday, but this time I followed the recipe more closely, so I used
2 lb cooking apples
1 lb shallots
2 lb cucumbers
1 pint malt vinegar
1 lb demerara sugar
1 tsp salt
1 tsp cayenne pepper
I also used a food processor, so the ingredients were finely chopped rather than chunky.
I also pickled some more of them a week or so ago.
Cucumber production has slowed down considerably though, so I don't think I'll be preserving any more this year.