Preheat oven to 350 degrees F.

Butter a 9 round bake pan.

Line the bottom with waxed paper. Butter the paper.

Melt the chocolate. Stir until smooth.

In a food processor, process the almonds and cookie crumbs until finely ground.

Transfer to a bowl.

Process the butter and sugar until smooth.

With the motor running, add the eggs, one at a time.

Add the nut mixture and the chocolate. Blend well.

Pour into prepared pan.

Bake about 30 minutes, until the center is slightly puffed.

Let cool in the pan on a rack for 15 minutes.

Invert onto a serving platter and remove the paper.

Let cool completely.

Just before serving, dust the top with cocoa powder.