Tried this last year, unfortunately my tomatoes failed as well this year, not even green ones..
still eating last years, not bad either
(4lb) Green Tomatoes
(1½lb) Onions
(1lb) Cooking Apples
(1lb) Soft Brown Sugar
600ml (1 pint) Vinegar
(8oz) Seedless Raisins or Chopped Dates
(1oz) Root Ginger
8 Red Chillies
2 tsp Salt
Wash and chop the tomatoes, peel and chop the onions.
Place the tomatoes, onions, apple and half of the vinegar into a heavy bottomed saucepan, bring to the boil and cook for about 30 minutes or until tender.
Place the bruised ginger and chillies