Blackberry Jam Cake

2 eggs
2 cups sugar
1 tsp. cinnamon
1 tsp. cloves
1 tsp. allspice
1 tsp. cocoa
2 tsp. soda
1/2 cup butter
2 cups sour milk
4 cups flour
1 cup blackberry jam

Mix all dry ingredients in bowl; mix all liquids together. Then combine and beat about 5 minutes. Bake 425 degrees for about 30 minutes.