In a saucepan, mix all ingredients well with Extra gelling sugar. Bring to the boil on high heat while stirring and boil for 5 minutes, stirring occasionally. Immediately pour chutney into prepared jars up to the rim. Seal jars with Twist-off® lids, turn upside down and allow to stand on lids for about 5 minutes.
Place tin of condensed milk in a pan and cover with water. Bring to the boil and simmer for 2 hours to caramelise the milk. Important: Keep topping up water to keep can covered at all times.