Donna Hay's Choco Cupcakes

I'm "dying" to eat this marvelous choco cc....the texture...whoooow! so fluffy. Thank to rima for sharing this recipe...

Ingredients
125g salted butter, softened
1 cup plain flour
3/4 cup sugar
1/4 cup cocoa powder
1 1/2 tsp double-acting baking powder
2 eggs
1/2 cup milk
1 tsp vanilla extract
150g dark chocolate, melted

For the chocolate buttercream frosting :
250g butter, softened
2 cups icing sugar, sifted
1/2 cup cocoa powder, sifted
1/4 cup milk

Method
1. In a bowl, sift together plain flour, cocoa powder & baking powder.
2. In another bowl, whisk together butter, sugar & vanilla extract for about 10-12 mins until pale and creamy. add in eggs one at a time and beat until well combined.
3. Add in milk and flour mixture alternately in 3 additions, mixing well in between each addition.
4. Fold in melted chocolate thoroughly.
5. Fill cake mixture in cupcake liners until about 2/3 full. bake in a preheated oven of 160C for 20 mins or until a wooden skewer inserted into the middle of the cake comes out clean. leave to cool on wire rack.
6. To make the chocolate buttercream frosting, whisk the butter in bowl for about 6-8 mins until pale and creamy.
7. Add the icing sugar, cocoa powder and milk and whisk for another 6 mins until fluffy and creamy. pipe or spread onto cooled cupcakes.

(Adapted From Bisous A Toi)