Texas-Style Potato Salad with Mustard and Pickled Red Onions

  • Level: Easy
  • Total: 1 hr 45 min
  • Prep: 20 min
  • Inactive: 1 hr 10 min
  • Cook: 15 min
  • Yield: 4 servings
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Ingredients

1 1/2 cups red wine vinegar

2 tablespoons sugar

1 teaspoon mustard seeds

Kosher salt

1 small red onion, halved and thinly sliced

2 1/2 pounds new red potatoes

6 hard-cooked eggs, coarsely chopped

1 roasted red pepper, finely diced

1 cup mayonnaise

2 tablespoons Dijon mustard

2 tablespoons whole-grain mustard

Freshly ground black pepper

1/4 cup roughly chopped fresh flat-leaf parsley or cilantro

Directions

  1. Bring the vinegar, sugar, mustard seeds and 1 tablespoon salt to a boil in a small saucepan and cook until the sugar and salt dissolves, about 1 minute. Transfer to a small bowl and let cool for 10 minutes. Add the onions and stir to combine. Cover and refrigerate for at least 1 hour and up to 24 hours. Drain the onions through a strainer into a bowl and reserve the pickling liquid.
  2. Put the potatoes in a large pot, cover with cold water by 2 inches and add 2 tablespoons salt. Bring to a boil over high heat and cook until a knife inserted into the center of the potatoes meets with no resistance. Drain the potatoes well, let cool slightly (but not all the way) and slice into 1/2-inch thick slices.
  3. Transfer the warm potatoes to a large bowl. Add the eggs, pickled onions and red peppers. Whisk together the mayonnaise, mustards, a few tablespoons of the pickling liquid and season with salt and pepper. Add the dressing and parsley to the warm potatoes and gently mix to combine; season with salt and pepper. Serve at room temperature or cover tightly and refrigerate for at least 2 hours and serve chilled.
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