Campfire Chocolate Cake

Ingredients (11)

• 1 cup all-purpose flour, plus 2 to 3 tablespoons for coating the skillet
• 1/2 cup unsweetened cocoa powder, divided
• 3/4 cup granulated sugar
• 2 teaspoons baking powder
• 1/2 cup whole milk
• 2 tablespoons salted sweet cream butter, melted
• 2 teaspoons vanilla extract
• 1/2 cup semi-sweet chocolate chips
• 1 cup light brown sugar, packed
• 13/4 cups hot water
• Vegetable shortening, for coating the skillet