I love the combination of sweet and sour in this pudding, and the sprinkling of pistachios adds an unexpected sweet crunchiness at the end of each mouthful.
Preheat the oven to 130°C/260°F/gas mark ½. For the cherry stock syrup, put all the ingredients except for the cherries and Kirsch in a non-reactive pan, and cook until the sugar has just dissolved. Remove stones and stalks from two-thirds of the cherries, then poach all the cherries i