Triple Chocolate Brownies Recipe

Ingredients

• 6 oz. extra-bittersweet (70%) bar chocolate, chopped
• 1 ½ sticks unsalted butter, cubed (12 Tbsp.)
• 1 ½ cups granulated sugar
• ½ cup Dutch process or unsweetened natural cocoa powder, sifted
• 3 eggs
• ½ cup sour cream
• 1 Tbsp. pure vanilla extract
• 1 Tbsp. instant espresso
• powder
• 1 cup all-purpose flour
• 1 tsp. baking powder
• ½ tsp. table salt
• 1 pkg. semisweet chocolate chunks (11.5 oz.)