Jam Cake

Ingredients

• 1 C butter
• 2 C light brown sugar, sifted
• 2 C buttermilk
• 3⁄4 C raisins
• 3 1⁄2 C all-purpose flour, sifted
• 2 tsps soda
• 1⁄2 tsp baking powder
• 1 Tbsp plus 2 teaspoons cocoa powder
• 1 C seedless blackberry jam
• 1 C chopped nuts
• 3 eggs
• 1 1⁄2 tsps cinnamon
• 1 1⁄2 tsps ground cloves
• 3⁄4 C butter
• 1 1⁄2 C brown sugar
• 1⁄4 C plus 2 Tbsps milk
• 3 1⁄2 C powdered sugar
• 1 tsp vanilla