Apple and Caramel Fudge Cake

Ingredients (30’ preparation – 40’ baking, 12 servings):

For the cake:

3  eggs (165 gr. with shell) 
180 gr. sugar 
60 gr. butter (melted) 
200 ml. milk at room temperature 
280 gr. all-purpose flour 
14 gr. baking powder 
50 gr. chopped walnuts 
50 gr. raisins (floured) 
2 apples 
For the caramel fudge:

180 gr. sugar 
40 gr. butter 
100 ml. cream or heavy cream