Mix the cookies with melted butter. in case you feel it's not sticky enough add 2-3 spoons of milk, but not too much sticky. Spread it in the pan and put it in the refrigerator.

In the food processor; mix the cream, cheese, jello,and vanilla. Pour it on the cookies and return it back to the refrigerator until it is hard. (at least 5 hours)

Spread the jam on the cake just before serving.