•Preheat the oven to Gas Mark 2 / 150°C.
•Place 500g of cake mix in a bowl fitted with a beater, add 200ml/7 fl oz of water and 50ml/1.5 fl oz vegetable oil.
•Beat on medium speed for approximately 1 minute.
•Scrape down the sides and beat for 4 minutes on a medium to high speed.
•Scoop into cupcake cases in a cupcake tin and bake for approximately 20 minutes.