Divine Chocolate Cupcake

Ingredients
2 cups cake flour
2/3 cup cocoa powder
1 1/4 tsp baking soda
1/4 tsp salt
1/2 cup buttermilk
3/4 cup unsalted butter, softened
1 1/2 cup caster sugar
2 large eggs
1 1/2 tsp vanilla essence
1/3 cup water

Method:
1. Sift flour, cocoa powder, baking soda and salt into large bowl and set aside.
2. Mix buttermilk and water in a small bowl and set aside.
3. Beat butter with sugar until light and fluffy. Add eggs one at a time. Add in a vanilla essence.
4. Fold in flour mixture and buttermilk mixture alternately until blended.
5. Put batter in paper cups and bake in a preheated oven 170C for 20 minutes or until skewer comes out clean.
6. Cool completely before frosting.