Pour into a slow cooker pot. Set aside 1 sliced spring onion ... Cover with a lid and cook on high for 4–5 hours, or until the vegetables are tender and the sauce has thickened.
Slow Cooker Method: Put the onions into a covered dish and microwave for 1 minute on high. This is to take the astringency from the onions and stop the flavour from being raw and overwhelming the ...