Pre heat the oven to 180°C and grease and line a 20cm square baking tin.
Add your cocoa powder, dairy free butter and caster sugar to a saucepan and gently heat on the hob until it forms a chocolatey liquid mixture. Stir continuously so it doesn’t burn.
Leave to cool for a few minutes while you beat your eggs in a separate bowl. Gradually add the beaten eggs to the chocolate mixture and stir well.
Next, add your gluten free flour and xanthan gum to the mixture and stir until fully combined.
Stir through your chunks of chocolate and then pour the mixture into your baking tray.
Bake for around 25 minutes to 30 minutes. This will vary depending on your oven but the brownie should have a slight wobble to it (this means they will be nice and fudgy).
Set aside while you make the caramel.