Drain the apricots (use the juice for other purposes). Roughly dice the yeast plait. Roast in 1 tbsp. hot butter in a large pan until golden brown. Mix 3 tbsp. sugar and cinnamon and sprinkle over the top. Put into a well greased casserole dish
Whisk eggs, milk and 2-3 tbsp. sugar and pour into the mould. Spread the apricots on top
Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 20 minutes. Spread 1 tablespoon butter in flakes on top and bake for about 10 minutes. Coarsely chop the pistachios and sprinkle over them