Here's a photo of one of my chocolate brownies made with ground chia seeds instead of flour:
4oz/110g ground chia seeds
6oz/160g brown sugar
4oz/110g butter
2 eggs
1x 100g bar of 85% chocolate broken into chips, keep 1oz/25g for topping
Melt the butter add all ingredients in the pan stir spread into a greased dish and bake 150C for approx 20 mins
When cold top with melted chocolate and a little butter.