Cut the prunes into strips and put them in a bowl with the vodka, set aside for an hour to make them swell and become more moist.

Heat the oven to 180C/gas 160C/gas 4. For the base, combine 1 egg with 160g sugar, 1/2 tsp vanilla, the oil and yogurt. Sift the flour with the cocoa, baking soda, baking powder and a large pinch salt. Combine the wet ingredients with the dry ingredients, and finally add the coffee and mix everything together. Line the bottom of a 24cm springform pan with baking parchment and oil the sides. Pour the dough into the base, put it in the oven and bake it for 20 mins.

For the filling, beat the curd cheese with the remaining sugar, potato flour, 3 eggs and 1/2 tsp vanilla. Drain the prunes and add them in. Pour the cheese mixture over the base and put it back in the oven for 50–60 minutes. Cool in the turned off oven.

For the topping, bring the cream to a boil, and add the chocolate and butter. Mix off the heat until it forms a smooth cream. Pour the sauce over the top of the cooled cheesecake cake. Chop the pistachios and sprinkle them over the surface.