Mug Cake

Bahan-bahan (1 porsi)

• 6 tbsp milk
• 1 tbsp oil
• 4 tbsp flour (1/4 cup)
• 2 tbsp unsweetened cocoa powder
• 2 tbsp sugar
• 1/4 tsp baking powder
• 1 pinch salt
• 1 tbsp chocolate chips (or chopped chocolate)