Delicious Blackberry Jam Cake Recipe

Ingredients

• 2 cups all-purpose flour
• 1 cup sugar
• 1 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 1/2 cup butter, softened
• 2 eggs
• 1 cup buttermilk
• 1 tsp vanilla extract
• 1 cup blackberry jam