I cup finely ground chocolate cookie crumbsI used Nabisco's Famous Wafers
for the filling
1 1/4cupsheavy cream
10ozbag of good quality dark or bittersweet chocolate chips
for the glaze
2ozdark or bittersweet chocolate chips
1tsplight corn syrup
Set oven to 350F
Combine the crumbs, melted butter and sugar in a bowl. Stir until all the crumbs are moistened and everything is well combined.
Press evenly into a 9" tart pan with removable bottom. (You can also use a 9" pie pan) Cover the bottom and up the sides, using your hands to smooth and pack it firmly.
Bake for about 10 minutes, then cool on a rack for about 20 minutes.
To make the filling, bring the cream just to a boil, take off the heat and stir in the espresso powder. Pour over the chocolate chips and let sit undisturbed for 5 minutes. Stir together until smooth. Combine the eggs, salt and vanilla in another small bowl, and then add to the chocolate. Stir until completely combined.
Pour the filling into the cool crust. Bake for about 20 to 25 minutes until the filling is set along the edges but still a bit loose in the very center. The filling will firm as it cools.
Cool the tart on a rack for an hour.
To make the glaze, bring the cream just to a boil (I did this in the microwave) and add the chocolate. Stir until completely smooth. Add in the corn syrup and the warm water and stir again until smooth and glossy.
Pour over the tart, swirling it around so it coats the top evenly.
Let set for an hour before cutting. If you refrigerate the tart, let it sit out a bit before serving.