Black Walnut Cake Recipe

Ingredients

• 2 cups all-purpose flour
• 1 ½ cups granulated sugar
• 1/2 cup softened unsalted butter
• 1 cup buttermilk
• 1 cup chopped pecan nuts
• 3 large eggs
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1 teaspoon vanilla extract
• ½ teaspoon salt
• 1 cup chopped black walnuts
• ¼ cup softened butter
• 10 ounces cream cheese
• 4 ¼ cup powdered sugar
• 1½ teaspoon vanilla extract