Cauliflower salad

1 cauliflower (about 600 gm), clean and cut into bite-size pieces
1/4 onion, diced fine
2 tablespoons salad oil
50 ml cream
1 tablespoon vinegar
salt to taste

Boil cauliflower in sufficient water with a tablespoon of salt till done (firm, not soft till falling apart). Drain well. Mix well with the rest of the ingredients.