1 c. butter
2 c. sugar
4 lg. eggs
1 1/2 c. blackberry jam
3 c. all-purpose flour
2 tsp. cinnamon
1 tsp. baking powder
1 tsp. baking soda
1 c. buttermilk
1 c. raisins
2/3 c. chopped nuts

Cream butter and sugar. Add one egg at a time. Add the jam. Mix flour, spices, baking powder, soda. Add alternately with buttermilk. Mix small amount of flour with raisins and nuts. Heat oven 300 degrees. Pour mixture into three 9 inch cake pans. Bake 30 to 35 minutes.

ICING:

2 c. sugar
1 c. heavy cream

Bring to a boil stirring over medium heat until thermometer reaches 234 degrees. Cool slightly then beat until slightly thickens. Spread between layers and on top of cake.