Helpful Questions
Yes, you can prepare it in advance. Store it in the refrigerator in a tightly sealed container. It lasts about a week. If the olive oil solidifies, let it sit at room temperature and shake before use.
Dijon mustard is important because it acts as an emulsifier, helping to blend the ingredients. You can use another smooth mustard, but the flavor may change. If you skip it, the vinaigrette may separate more easily and you will need to shake it before each use.
















