Chop the scallions not too small.
1 bunch scallions.
Blend the coriander until get a texture like cream. If needed add a little splash of olive oil to help the blend.
A lot coriander., Olive oil.
Sauté the scallions for a minute but olive oil and butter.
Olive oil., 1 tbsp butter.
Add the coriander a cook for a couple of seconds more.
Add the preheated cream so as not to stop the cooking with the cold cream.
600 cl double cream.
Stir gently until a uniform color.
Cook for a couple of minutes with low heat stirring gently until get a thick cream texture.
Enjoy!