Measure 300 ml of the amount of water and add to a saucepan along with the sugar.

Bring to the boil,  stirring and simmer until the sugar is fully dissolved

Meanwhile place 300 ml of water in the slow cooker and set on HIGH to heat

Add the cinnamon sticks and cloves to the slow cooker

Add the syrup mix to the slow cooker.

Peel the slice the quince, quickly as it will brown.

Add the slices to the slow cooker.

Add a piece of baking paper the size of the surface of the slow cooker, dampen with water and place it over the the quince slices so that they are covered completely and press down gently

Place the lid on the cooker and set to LOW

Cook for 12 hours until the slices are a gorgeous red colour and tender.

Serve hot or cold, delicious with yoghurt, or ice cream, or with rice pudding.