Coffee Cake Pound Cake

INGREDIENTS

• 1/2 cup firmly packed brown sugar
• 1/2 cup all-purpose flour
• 1 teaspoon ground cinnamon
• 1/4 cup butter
• 3/4 cup chopped pecans
• 1 cup finely chopped pecans
• 1 cup butter, softened
• 2 1/2 cups granulated sugar
• 6 large eggs
• 3 cups all-purpose flour
• 1/4 teaspoon baking soda
• 1 (8-oz.) container sour cream
• 2 teaspoons vanilla extract
• 1/4 cup firmly packed brown sugar
• 1 1/2 teaspoons ground cinnamon