Add cake flour and baking powder into a plastic bag, and shake.
Place the margarine and broken chocolate pieces in a heatproof bowl, and microwave until the margarine has melted. Mix and melt the chocolate.
Add the sugar and cocoa powder into the bowl, and mix well with a whisk. Break in the egg, and mix until the mixture becomes smooth.
Add Step 1, and mix until the mixture is no longer floury.
Fill the cups with the batter about 60% full, and bake in the oven preheated to 170°C for 18 minutes. Insert a toothpick through the cupcakes and if it comes out clean, it's done.
Story Behind this Recipe
I eventually arrived at these ingredients and the steps to perfect the recipe for the easiest chocolate cupcakes. These mini sized cakes are perfect when you want to enjoy a little dessert or when you have guests over.
The microwaving time to melt the butter during Step 1 is about 50 seconds at 500 W. If you beat the egg before adding into the bowl, you can mix with a spatula or chopsticks instead of the whisk. *I also wrote in tablespoon measurements, so feel free to refer to those as well.