Ghirardelli Tuxedo Brownie Recipe

Ingredients

• 1 cup all-purpose flour, sifted for lightness
• ¾ cup granulated sugar
• ¼ cup unsweetened cocoa powder (preferably Dutch processed for deep chocolate flavor)
• ½ teaspoon baking powder
• ¼ teaspoon salt
• ½ cup unsalted butter, melted and slightly cooled
• 2 large eggs, at room temperature
• 2 teaspoons pure vanilla extract
• ½ cup sour cream, for richness and tenderness
• 2/3 cup Ghirardelli semi-sweet chocolate chips, For deep, rich chocolate bursts
• 2/3 cup Ghirardelli white chocolate chips, Adds creamy sweetness and contrast