Put dried fruits in a bowl.
Pour orange juice over them.
Cover and let sit overnight.
This makes fruits soft and juicy.
You can add rum here too.
Preheat oven to 300°F (150°C).
Line your cake pan with parchment paper.
Grease it well with butter.
This prevents sticking later.
Cream butter and sugar until fluffy.
Add eggs one at a time.
Beat well after each egg.
Mix in the soaked fruits.
Mix flour, baking powder, and spices.
Add salt to the mixture.
Stir everything together well.
Add dry ingredients to wet mixture.
Fold gently until just combined.
Don't overmix the batter.
Add chopped walnuts last.
Pour batter into prepared pan.
Smooth the top with a spoon.
Bake for 90 minutes.
Check with a toothpick.
It should come out clean.
Let cake cool in pan.
Remove after 20 minutes.
Wrap in foil when completely cool.
Store in an airtight container.