Ripe tomato chutney

• 8 oz (225 g) onions
• 6 lb (2.7

Peel and finely chop the onions. Put onions into a saucepan and pour over cold water to cover. Bring to the boil, then lower the heat and simmer for 5 minutes until tender. Meanwhile, scald tomatoes and peel the skins. Chop tomato flesh and put into a large saucepan. Drain the onions and add to the tomatoes. Simmer for 10 minutes until liquid has reduced and mixture is thick. (Ripe tomatoes hav