Melt the chocolate in a bain-marie or a small saucepan over low heat so it doesn't burn. Remove from heat and leave aside to cool.
Beat the butter in the mixer for a few minutes until it becomes fluffy and add the sifted icing sugar. Mix for about 4-5 more minutes (depending on how powerful your mixer is) until you have a fluffy buttercream. Add the cocoa, the melted chocolate and mix for a few minutes.
In a bowl, break the cookies into small pieces and pour the brandy. Add them to the other bowl with the buttercream and mix lightly with a spoon. You can also add raspberries, currants or nuts.
Pour this mixture on a parchment paper and give it a long and narrow shape like a roll and wrap it by squeezing the 2 edges of the parchment paper on the left and right like a candy. Put it in the freezer for 3-4 hours to firm up.
When you take it out, pour the melted chocolate over it or sprinkle with cocoa, icing sugar, and fruits (optional). Store it in the refrigerator.
Notes
Tips:1. If the butter is hard, you can leave it at room temperature several hours earlier. This will make it easier to beat in the mixer.2. The recipe is for 2 medium desserts but you can make a kormos of any size you want and shape the rest of the mixture into small balls. Add chocolate sprinkles on top of them and you will have super tasty troufakia (another yummy Greek dessert)!
Keyword biscuits, dark chocolate, greek dessert, vegan, vegan butter