Put on your kettle to boil. Pour 600ml boiling water into a saucepan and stir in the chicken stock cube.
Remove the skin from the chorizo and dice it into 2cm cubes.
Heat the olive oil in your largest, flattest non-stick frying pan over a medium heat. Add the chorizo and fry for 2 minutes, until almost golden. Move half the chorizo to a plate and leav