Place onion, butter, honey and spices in KitchenAid cook Processor with Stir Assist fitted, remove measuring cup, set temp at 140C, time at 12 minutes, Stir Assist speed 1.
When finished, add water, set temp at 100C, time 1 hour, Stir Assist speed 1, measuring cup removed.
Check occasionally to make sure it hasn't cooked dry, adding a little more water if necessary.
Is done when the onions are silky soft and the remaining liquid has thickened.
Stir through the orange zest before serving.
On Stove Top
Melt butter over medium heat, add onions, honey and spices and cook, stirring, until onion is translucent.
Add the water, reduce heat to a simmer and cook for one hour, stirring occasionally and checking moisture, until is as above.