1. Preheat oven to 350f / 180c / Gas Mark 4
2. Combine baking powder and flour together and stir to combine
3. Add sugar, butter, water, eggs, cocoa, oil and vanilla and beat on low speed with an electric mixer using a whisk or paddle attachment until all ingredients are just combined
4. Beat on high speed until mixture lightens in colour and becomes fluffy (approx. 1.5 – 2 minutes)
5. Line a 12 hole cupcake tray with cupcake liners and fill each liner approximately two thirds to the top using a spoon or icecream scoop
6. Place on the middle tray of your oven and bake for 14-18 minutes.
7. Check at 14 minutes, then each minute thereafter until the centre of the cupcake springs back when touched.