It's very unfortunate that you were not taught healthy eating habits, while you were recovering from your eating disorder.
If you're addicted to sweets, replace "bad" sweets (those flavored with sugar and other sweeteners) with "good" ones - namely fruit and veggies. Eliminate sodas and drink water, instead. If you don't like plain water, flavor it with a lemon wedge.
Make sure you eat enough at meal times to keep you from wanting to snack - center your meals around lean protein and veggies that contain a lot of fiber; both protein and fiber full you up and keep you fuller longer. Protein is also the building block for muscle and muscle burns fat.
Here's an article by Dr James Beckerman that might help you.
And don't forget exercise. Everyone needs some exercise every day to help use up the calories we take, build muscle (to burn fat) and simply feel better.