Heat the oil in a large frying pan. Fry the diced ham until crispy. Remove. Fry the mushrooms in the frying fat until all the liquid has evaporated. Fry the spring onions briefly.
Season with salt and pepper. For 1 straight jar (500 ml content) grease the jar. Preheat oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer). Cream 60 g soft butter, 50 g sugar and grated zest from 1⁄2 Mix organic orange with the whisks of the mixer until creamy. Stir in 1 egg (size M). Mix 75 g flour, 1⁄2 TL baking powder, 1 pinch of salt and 1 tablespoon ground poppy seed. Stir 3 tbsp. buttermilk into the sugar-egg-cream. Pour into the jar. Bake in a hot oven for 25-30 minutes (without lid).
Stir 3 tbsp. buttermilk into the sugar-egg-cream. Pour into the jar. Bake in a hot oven for 25-30 minutes (without lid). Remove from the oven and let cool in the jar. Serve with e.g. apricot sauce (see below).
Finely puree 1 tin (425 ml) of apricots including juice, 3 tbsp lemon juice and 2 tbsp sugar.