Chocolate Pudding Cake

Ingredients (12)

• 2 1/2 cups all-purpose flour
• 2 1/4 cups packed light brown sugar
• 3 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup chocolate chips
• 2 tablespoons unsalted butter
• 2 ounces unsweetened chocolate
• 2 cups buttermilk
• 1 teaspoon vanilla extract
• 1/2 cup plus 2 tablespoons unsweetened cocoa
• 2 1/2 cups boiling water