Defrost 75 g raspberries. Mix fat, sugar and 1 pinch of salt with the whisk of the hand mixer for 2-3 minutes until creamy. Stir in the eggs one after the other. Mix flour and baking powder, stir in.
Cut the dough in half. Wash lemons thoroughly, grate dry, finely grate the zest of 1 lemon. Halve the lemon, squeeze the juice. Puree the defrosted raspberries. Fold in 3 tbsp. lemon juice and zest under one half of the dough, under the other half raspberry puree and frozen raspberries.
Place the doughs alternately in a greased and floured springform pan (26 cm Ø) and spoon them with the handle of a tablespoon. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for about 50 minutes, remove from oven. Leave to cool for approx. 2 hours on a cake rack.
Remove the zests from 1 lemon. Halve the lemon and squeeze the juice. Mix icing sugar with 5 tablespoons lemon juice to a thick icing. Remove the cake from the mould and place on a cake rack. Pour the icing over the cake so that something runs down the side. Decorate with lemon zests and fresh raspberries, leave to dry for about 30 minutes.
waiting time approx. 2 1/2 hours