Blackberry Jam Cake
["1 c. margarine or butter", "1 c. sugar", "4 eggs", "1 c. blackberry jam", "3 1/4 c. sifted flour", "1 tsp. baking soda", "1 tsp. baking powder", "1 tsp. ground cinnamon", "1 tsp. ground nutmeg", "1 tsp. ground allspice", "3/4 tsp. salt", "1 c. buttermilk", "1 1/3 c. chopped walnuts"]
["Cream together butter and sugar until light and fluffy.", "Add eggs, one at a time, beating well after each addition.", "Beat in jam."]
["margarine", "sugar", "eggs", "blackberry jam", "flour", "baking soda", "baking powder", "ground cinnamon", "ground nutmeg", "ground allspice", "salt", "buttermilk", "walnuts"]