) _; O# i) T/ |公仔箱論壇Whisk the yolks with mustard and vinegar and gradually incorporate the oil small amount at a time. * @2 {4 C* L. } c2 T" I公仔箱論壇Season to taste.公仔箱論壇) i0 p2 W$ V: f) g% X
The sauce can be finished with a bit of boiling water to stabilise it more.公仔箱論壇( S' u' V* g0 L) g
The oil used will provide the underlying flavour - traditionally olive oil is used.