Preheat the oven to 160-180°C (320-356°F).

Grease a cake tin.

In a large saucepan, combine water, sugar, mixed dried fruit, butter, mixed spice, and bicarbonate of soda.

Bring the mixture to a boil and let it simmer for 5 minutes. Stir occasionally.

Allow the boiled mixture to cool down.

Once cooled, gradually add the beaten eggs and self-raising flour.

Mix well until all ingredients are fully combined.

Pour the batter into the prepared greased cake tin.

Place the tin in the preheated oven.

Bake for approximately 1 hour or until a skewer inserted into the center comes out clean.