Beat the butter and sugar until frothy. Gradually add the eggs. Stir each egg for about 2 minutes. Stir in cinnamon, flour and backin. Then carefully fold in the apples and nuts.
Put in a greased or parchment-lined springform pan. Put in the preheated oven, OH / UH 175 degrees, and bake for about 60 minutes. Make a cooking test.
Place on a wire rack, remove the edge and allow to cool. Dust the cooled cake with icing sugar.