"Decadent Delight: Indulge in the Irresistible Marshmallow Brownie Slice!"

Ingredients:
Brownie base:
* 100g butter
* ½ tsp vanilla essence
* 1 cup caster sugar
* 2 eggs
* 50g cocoa
* 50g plain flour
* ½ tsp baking powder
Marshmallow topping:
* 250g milk chocolate
* 1 Tbsp coconut oil
* 180g marshmallows
Method:
1. Base: Preheat the oven to 150°C fan bake.
2. Line a 20cm square tin with baking paper.
3. Melt the butter in a large mixing bowl in the microwave. Add in the caster sugar, vanilla essence and eggs. Whisk until smooth.
4. Sift in the flour, baking powder and cocoa then gently fold together until combined.
5. Spread the mixture evenly across the base of the lined tin then bake for 25 minutes. Set aside to cool for at least 15 minutes.
6. Topping: Place chocolate and coconut oil in a large heat proof bowl. Heat for 45 seconds in the microwave or until melted. Stir to combine. Allow to cool for 5 minutes.
7. Pour the marshmallows into the bowl and coat in the cooled chocolate.
8. Pour on top of the cooled base spreading out to the edges.
9. Chill in the fridge for at least 2 hours or overnight until set. Slice into pieces and serve.