I'm glad to hear you're putting your best foot forward and that you have an optimistic attitude. This will help with the motivational energy you need to make some positive changes.
Here is a post about weight changes during a candida diet.
A few high calorie foods for you to consider:
roasted or raw, sprouted almonds,
coconut milk, olive oil, hemp oil (hemp for raw use only)
organic/grassfed meat and ghee
coconut manna, coconut flakes and oil
olives and avocados
I think the following links may be useful to you.
The Whole Approach Product Protocol The Whole Approach product protocol is based on a three month cyles of a quality, natural, additive free anti fungals combined with colon cleansing products. The products combine to create a powerful, yeast detoxifying scrub brush for the entire intestinal tract.
Whole Approach can help you achieve resilient health