Is this what you are looking for? I found it years ago---the person who posted this recipe said that it was her mother's recipe.

AMALGAMATION CAKE

1 c. sugar
3/4 c. butter
1/2 c. buttermilk
2 c. plain flour
1/2 c. raisins, ground
1/2 c. pecans, chopped
3/4 tsp. soda
1/2 tsp. cinnamon
1/2 tsp. allspice
1/2 pt. blackberry jam
8 egg whites (yolks go in the frosting)

Cream the butter and sugar. Add the jam,
spices, buttermilk and soda. Add the flour
and mix until blended. Fold in stiffly
beaten egg whites. Turn into 3 - 8 or 9" can
pans that have been greased, lined with waxed
paper and grease and flour the waxed paper.
Bake at 350 for 35-40 minutes.

FROSTING:

8 egg yolks
1 c. sugar
1/4 c. butter
1 c. pecans, chopped
1 c. coconut
1 c. raisins, ground
1 1/2 T. cream

Mix all ingredients and cook in a double
boiler for 15 minutes. Add a little cream to
thin if it gets too thick.