Cauliflower and orange soup

Peel the onion, slice it and soften it in a pan with a little fat.

Meanwhile, peel the potato and cut it into slices, wash the cauliflower and break off the florets.

When the onion turns translucent, add the potato to the pan and a litre of cold water. Salt.

Once boiling, add the cauliflower and carry on cooking for 15 minutes.

Blitz, add the orange juice and a little of its zest, boiled beforehand.