Jam Cake

Ingredients

• 2 sticks butter
• 1 1/2 cup dark brown sugar
• 3 cups all purpose flour
• 1/2 tsp. salt
• 2 tsp. baking soda
• 1/2 tsp. ginger
• 1 cup buttermilk
• 3 eggs, beaten
• 1 cup blackberry jam
• 1 cup pecans or walnuts, chopped