Michelle Darmody: Delicious treats like these chewy cookies are perfect for the summer

And for a surprising twist, sweet potato will add a bit of texture to a chocolate favourite

These recipes are low in processed sugar, in fact two use natural sources of sweetness such as maple syrup, honey and dates.

The brownies do contain muscovado sugar but in comparison to other brownie recipes, which are generally very high in sugar, there is far less.