Finely chop the plums and the raisins or process it in a food processor to break it into smaller pieces.
Take the plums in a pan and add the coconut sugar.
Place the pan on low heat and cook the plums until it turns tender.
Take it off heat and add in the marmalade, cocoa powder, butter and the spices and mix with a spatula until it is evenly combined.
In a mixing bowl and let it cool to room temperature.
Crack one egg at a time into the bowl and mix until it is mixed evenly
Add the rum or coffee and mix it thoroughly.
Shift in the spelt flour, baking powder, baking soda and salt into the bowl and mix until all the dry mixture is combined to form a uniform batter.
Take out the batter in a greased and lined 8 inch loaf pan or into an 8 inch baking pan. Sprinkle the almond slices on top.
Bake it in a preheated oven at 170 degrees Celsius for around 50-60 minutes, until a skewer inserted in the middle comes out clean.
Let the cake cool to room temperature and enjoy!