Cinnamon Nut Cake

Ingredients

• Floured baking spray
• 1 ½ cups sour cream
• 1 tsp. pure vanilla extract
• 6 large eggs, at room temperature
• ½ teaspoon salt
• 3 c cake flour
• 3 c granulated sugar
• 1 ½ cups unsalted butter, at room temperature
• 1 c pecans, chopped
• ¼ cup dark brown sugar, packed
• 1 tbsp. ground cinnamon
• ⅓ cup cake flour
• ¼ teaspoon pure vanilla extract
• ¼ stick unsalted butter, at room temperature
• 4 oz cream cheese, at room temperature
• ¾ teaspoon pure vanilla extract
• ½ pound confectioners’ sugar