Blackberry Jam Cake with Caramel Icing

Description
From my Aunt Maggie's Collection. Notation on card says 1932.

Ingredients

 * 2 cups sugar
 * ¾ cup margarine
 * 3 cups flour
 * 1-1/2 cups blackberry jam
 * 6 teaspoons sour cream
 * 1 teaspoon baking soda in milk
 * 1-1/2 teaspoons nutmeg
 * 2 teaspoons allspice
 * 2 teaspoons cinnamon
 * 6 eggs (at room temperature)

''Beat egg whites and yolks separately then put together before adding to cake ingredients. Add jam last. Bake in 350 degree oven for 45 minutes.''


 * Caramel Frosting


 * 2 cups brown sugar
 * 1-1/2 cups white granulated sugar
 * 2 tablespoon corn syrup
 * 1 cup plus 2 tablespoons heavy cream
 * ½ cup butter (room temperature)

Directions

 * 1) Cook all ingredients except butter until it forms a very soft ball when tested in cold water.
 * 2) Remove from heat.
 * 3) Add butter and cool until lukewarm.
 * 4) Beat until creamy and spread in sides and top of cake.
 * 5) If frosting gets to hard to spread add a little milk until of spreading consistency

Contributed by
Cat's Recipes Y-Group