Chop nuts, fruits, and orange slices into small pieces.

Cream together the butter and sugar until light and fluffy.

Beat in the eggs one at a time, ensuring each is fully incorporated.

Dissolve the soda in the buttermilk.

Add the buttermilk mixture to the creamed butter and sugar.

Mix the sifted flour with the chopped nuts, fruits, and orange slices.

Gradually add the flour mixture to the wet batter, mixing until just combined.

Mix ingredients with your hands until homogenous.

Grease and flour a tube pan to prevent sticking.

Pour the cake batter into the prepared tube pan.

Bake in a preheated 250°F (121°C) oven for 2 to 3 hours, or until a toothpick inserted into the center comes out clean.