Chocolate Mousse with filling of crushed oreo biscuits

Ingredients:-
2 cup whipping cream ( whipp untill fluffy)
1/2 tsp butter
1 cup grated dark chocolate
2 tbsp fresh cream
1 tbsp agar agar( china grass)
3 tbsp water

Dissolve agar agar in luke warm watermix untill completely dissolved
Melt dark chocolate with butter in double boiler. Melt it completely
After it is completely melted let it cool for 2 min after 2 min add fresh cream then add the agar agar mixture
Add the above mixture in the whipped cream mix it gently
At the end add crushed oreo chocolate biscuits
Then serve in small cups or small glasses and garnish with chocolate vermicelli
Refrigerate for an hour or two