Mocha Velvet Pie

I'm not 100% about this recipe.  But if it is the one I think it is.  It is so creamy-delicious.

INGREDIENTS:
8-inch pie shell
½ c. butter
¾ c. sugar
3 T. unsweetened cocoa powder + 1 T. butter, melted
1 t. vanilla
1½ T. instant coffe grounds
1 t. cinnamon
2 eggs
½ c. whipping cream

1. Prepare 8-inch pie shell.
2. Put butter in a medium-sized bowl creaming sugar in gradually.
3. Blend cocoa powder, melted butter, creamed butter and sugar, vanilla, instant coffee and cinnamon together.
4. Add eggs, one at a time, beating very well
5. Heat over double broiler for 10 minutes.
6. Pour into pie shell and refrigerate for 1-2 hours.