1. Prepare all of the ingredients.
2. In a small mixing bowl, combine crumbs with melted butter. It should look like wet sand.
3. Pour equal amounts of the graham cracker mixture into 4 serving jars. Tamp down to create an even layer.
4. In a microwave safe bowl, mix chocolate with a tablespoon of cream.
5. In the microwave, heating at 10 second intervals, melt the chocolate in the cream.
6. Add cream cheese. Mix on high with an electric hand mixer or stand mixer with paddle attachment until smooth and creamy.
7. Spoon the cream cheese mixture equally into the jars.
8. Combine everything for the sauce in a small pan, bring to a boil over medium heat, stirring constantly.
9. Remove from heat and allow the blackberry topping to cool before spooning equally into jars.
10. Finally, in a medium mixing bowl, beat the remaining cream until stiff peaks form.
11. Top the jars with whipped cream and serve.