Le blog de Sophie Massé

https://www.marthastewart.com/341697/basic-potato-salad Ingredients Ingredient Checklist 3 pounds waxy potatoes (such as Yukon gold or new), scrubbed and cut into 3/4-inch cubes 1/3 cup white-wine vinegar 4 scallions, white part minced, green part thinly sliced Coarse salt Ground pepper 3/4 cup light mayonnaise Directions Instructions Checklist Step 1 Set a steamer basket in a Dutch oven (or large pot with a lid), and add enough salted water to come just below basket; bring to a boil. Step 2 Place potatoes in basket, cover pot, and reduce heat to a gentle simmer. Steam potatoes, gently tossing occasionally, until tender, 15 to 25 minutes. Step 3 Meanwhile, in a large bowl, combine vinegar, scallion whites, 1 teaspoon coarse salt, and 1/4 teaspoon pepper. Step 4 Add hot potatoes to vinegar mixture; toss to combine. Cool to room temperature, tossing occasionally, about 1 hour. Step 5 Add mayonnaise and scallion greens to cooled potatoes; mix gently to combine. Serve, or cover and refrige