Cream butter and sifted sugar until most of the sugar crystals dissolve
Add eggs to creamed butter and sugar one at a time until all of the eggs are fully incorporated into the mixture
After the eggs have been added, add fruits to butter, sugar and eggs mixture (one cup at a time) and mix together until all of the fruits have been completely mixed into the batter
Next add the wine and orange zest to batter
Then add burnt sugar, one tablespoon at a time until your batter is the desired color
Sift together flour, baking powder, ground cinnamon, ground cloves, ground nutmeg
Add flour to the batter one cup at a time and incorporating the flour into the batter using a figure 8 motion
Preheat oven to 300°F
Grease baking pans with cooking spray, then line the bottom of the pan with parchment paper
Divide batter equally among the baking pans
Wrap the bottom of the baking pan with aluminum foil
Place cake on the middle rack in the oven and bake for 75 to 90 minutes or until a toothpick inserted into the black cake comes out smooth
Once cake is fully cooked, remove from the oven and brush each cake with 1 to 1 1/2 tablespoons of rum, while cake is still hot. Feel free to add more rum if you like, but not too much or the cake will be soggy
Cover with a kitchen towel and let cool
Allow cake to cool completely, then remove from baking pans
Store cake in a covered container. Depending on how long you keep the cake for, you may add more rum once or twice a week so that it doesn't dry out