Super-green, super-thrifty soup: Stage 4
Melt 50 g butter in a large saucepan on high heat.
When frothing, add the white of the spring onion, salt, pepper and cook for 1 minute without colouring.
Add the radish and spring onion tops and cook for a further minute while stirring.
When frothing, add the white of the spring onion, salt, pepper and cook for 1 minute without colouring.
Add the radish and spring onion tops and cook for a further minute while stirring.