"How does the tang get in the tater? Read all about it here. Note: Cornichons are small salty pickles that can be found in most grocery stores. If unavailable, regular dill pickles or pickle relish can be used in its place. About the author: After graduating from MIT, J. Kenji Lopez-Alt spent many years as a chef, recipe developer, writer, and editor in Boston. He now lives in New York with his wife, where he runs a private chef business, KA Cuisine, and co-writes the blog GoodEater.org about sustainable food enjoyment...."
INGREDIENTS
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4 pounds russet potatoes, peeled and cut into 3/4 inch cubes
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Kosher salt
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1/4 cup sugar, divided
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6 tablespoons rice wine vinegar, divided
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3 ribs celery, finely diced (about 1 cup)
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1 medium red onion, finely diced (about 1/2 cup)
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4 scallions, green parts only, thinly sliced (about 1/2 cup, optional)
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1/4 cup fresh parsley leaves, washed and minced (optional)
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1/4 cup chopped cornichons (see note)
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2 tablespoons whole grain mustard (more or less to taste
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1 1/4 cups mayonnaise
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Fresh ground black pepper