Put oven on to 200 C/Gas 6.
Line a bun tin with cup-cake-cases.
Put all the ingredients into the food processor or hand whisk (best to start with butter & sugar first, then add the rest gradually) until all ingredients are in and smooth and feel light & airy.
Put a generous portion of mixture into each cup-cake-cases.
Pop into oven for between 12-20 mins depending on your oven!