Green Tomato Banana Chutney

1kg green tomatoes - chopped (original recipe has them peeled as well)
1kg windfall apples - peeled, cored and chopped
1kg onions - chopped
1kg sultanas - chopped
1.5 litres malt vinegar (3 litres in total)

Put all of these ingredients into a stainless steel pan and cook until just soft.

1kg bananas - peeled and chopped
500g crystallised ginger - chopped
1350g (3lb) soft brown sugar
4tbsp sea salt

Add these ingredients to the pan along with another 1.5 litres of malt vinegar. Bring to the boil, stirring continuously. Reduce heat and simmer, stirring frequently until the chutney is smooth and thick. Pot. Seal when cold.