Place Zest and Sugar in Tm bowl and mill for 10 -15 sec, speed 9. Scrape down and give a little longer if necesary
Add orange flesh, with any visible pips removed. Pulverise 8 secs speed 9, then cook for 20mins, Varoma temp, speed 1 with MC off (keep an eye as may boil up into top well, you can always drop temp to 100 degrees for a while)
Once cooked transfer to a container to cool before marbelling through yogurt or adding a spoonful as a topping.