PREPARATION

1. Take 360 grams oreo biscuits and crush them into a blender and blend well.

2. Transfer this mixture into a bowl. Add 50 grams powdered sugar, 1 teaspoon baking powder and mix it well.

3. Then, add 1/2 teaspoon vanilla essence, 60 milliliters butter and whisk it well.

4. Now, add 50 grams walnuts and mix it again.

5. Pour the batter into a baking dish.

6. Preheat the oven to 350°F/180°C. Bake for 30 minutes.

7. Remove it from oven and cool for 15 - 20 minutes.

8. Take a pan, add 120 grams fresh cream and Bring it to a boil.

9. Remove it from heat.

10. In a bowl, add 320 grams dark chocolate and the boiled fresh cream.

11. Mix it well until the chocolate is melt completely.

12. Cool the mixture for 30 minutes.

13. Now, whisk it well.

14. Take the baked brownie and cut it into half.

15. Then using a lid or a cookie cutter, cut small roundels out of brownie layer.

16. Place alternate layers of brownie roundels and chocolate mousse. Dust some cocoa powder on the top layer.

17. Serve.