Catherine Pla on Instagram: "My Mother-in-Law’s Vinaigrette. In honor of Marie-Louise’s arrival in the US, I’m reposting her vinaigrette recipe that we all use. This is the first recipe I learned in France, basically a classic French vinaigrette. Once you learn to make this, you won’t need to buy salad dressing. I have recently been using half extra virgin olive oil, half avocado oil. Makes about 1½ cups. 1 T minced shallot
1 t kosher salt
⅓ c red wine vinegar (or sherry, or a mix of...