1. Start by breaking the cookies into small chunks. Purpose for medium-sized items to take care of the cake’s texture.
2. Soften margarine and chocolate over low warmth in a saucepan. Stir in sugar and cocoa powder till dissolved. If desired, add salt, espresso powder, and vanilla extract.
3. Combine within the crushed cookies, guaranteeing they’re effectively coated.
4. Switch the combination right into a lined loaf tin, smoothing the highest with a spoon. Cowl with plastic wrap or foil and refrigerate for not less than 1 hour.
Making the Silky Chocolate Topping
1. Soften half the cream with the darkish chocolate in a saucepan over low warmth. After melting, flip off the warmth and blend within the remaining cream.
2. Pour the topping over the chilled cake and return it to the fridge for 3-4 hours or in a single day. Earlier than serving, garnish with finely crushed biscuits.



