Meditation can help
In fact anything can help if your mindset tells you it will.
Create something to take the place of sugar whenever you crave it or when you get stressed. Work at not getting stressed - it’s only caused by your perception it’s not reality. First of all though, don’t have any sweets in the house. Then whenever tge craving hits, have a large drink of water, or go for a walk, or dance, or ring a friend. It’s an addiction so have a little by way of maple syrup or honey each day at first, slowly cutting it back