Black Forest Pound Cake – Eat More Chocolate Eat More Chocolate

Ingredients

• 2/3 cup butter, softened
• 1 1/3 cups granulated sugar
• 2/3 cup firmly packed dark brown sugar
• 4 large eggs
• 1 1/4 teaspoons vanilla extract, divided
• 1 1/2 cups cake flour
• 1/2 cup unsweetened cocoa
• 1/2 teaspoon salt
• 1/4 teaspoon baking soda
• 3/4 cup sour cream
• 3 (1-oz.) bittersweet chocolate baking squares, finely chopped