Soak the cashews in boiling water for 30 minutes
Preheat the oven to 200'C/180'C fan
In a large bowl, combine the brownie mix, margarine and boiling water
Transfer the mix to a lined baking tin so that the mix is 1 inch deep
Drain the cashews and blend with the maple syrup and plant-based milk until smooth
Swirl your cashew cream through the brownie mix
Bake for 20-25 minutes and allow to cool before cutting!