Classic Easy Panettone Cake Recipe

Name: Classic Easy Panettone Cake Recipe
Prep time: 30 min
Cook time: 55 min
Total time: 1 h 25 min
Cuisine: Italian
Ingredients: 4 tbsp warm milk; 1 tbsp dried yeast; 8 tbsp sugar; 2 sticks butter (room temperature); 5 large eggs (beaten); 2 tsp vanilla extract; grated zest of 1 lemon; grated zest of 1 orange; 3 1/2 cups flour (plus extra (up to 1/2 to 2/3 cups more)); pinch of salt; 7 tbsp raisins; 3 tbsp rum extract; 8 tbsp candied lemon and orange peel (finely chopped); butter for greasing; 1 tbsp egg white; 1 tbsp icing sugar; more icing sugar for dusting