1. Preheat the oven to 180°C. Line a baking trays with baking paper. Mix together the flour, cocoa powder and bicarbonate of soda in a bowl.

2. Melt the butter in a small pan over a low heat. Once fully melted, stir in the chopped chocolate until smooth. Remove from the heat and allow to cool for a few mins.

3. Meanwhile, put the eggs, caster sugar and brown sugar in a large bowl and whisk with an electric hand whisk for 5-6 mins until mousse like.

4. Add the dry ingredients to the egg mixture and beat briefly to combine. Add the chocolate mixture and beat again until smooth.

5. Scoop tablespoons of the mixture onto the prepared baking trays, leaving plenty of room between the cookies to allow for spreading. You should get about 18-20 cookies in total.

6. Bake for 10-12 mins until risen. Leave to cool on the trays.

7. To make the cream mix together the cream and food colouring until it forms a bright orange colour.

8. To assemble add a spoonful of mascarpone into a small bowl, crumble 1-2 cookies into the bowl. Cover with another spoonful of mascarpone. To finish off top with 2 marshmallows and chocolate chips to form the eyes. Serve cold and enjoy!