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Arugula Salad with grapes, cashews, and pickled red onions in a bowl with a fork.

Arugula Salad with Grapes and Black Pepper Vinaigrette


This Arugula Salad has grapes, cashews, pickled red onions, and a simple black pepper vinaigrette. Vegan, vegetarian, gluten free.


Units Scale

For the Pickled Red Onions

  • 3/4 cup red wine vinegar
  • 1/3 cup champagne vinegar
  • 1/3 cup water
  • 1/3 cup sugar
  • 1 teaspoon salt
  • 2 red onions, very thinly sliced

For the Black Pepper Vinaigrette

  • 1/3 cup red wine vinegar
  • 2/3 cup olive oil
  • 1 tablespoon sugar
  • 1/2 teaspoon freshly ground black pepper
  • 1/2 teaspoon salt
  • 1 clove garlic

For the Salad

  • 2 1/2 cups red California grapes, halved
  • 2 cups cooked farro or a gluten free alternative like quinoa
  • 3 cups arugula
  • 1/4 cup fresh basil leaves, cut into ribbons
  • 1/2 cup chopped cashews


  1. Pickled Red Onions: Place the vinegars, water, sugar, and salt in a jar with a tight fitting – shake lid until well combined. Add the sliced red onions. Refrigerate at least 24 hours or longer for best flavor.
  2. Dressing: Place the vinegar, olive oil, sugar, pepper, and salt in a jar. Crush the garlic clove and just drop it in the jar in one or two pieces – the idea is that you’ll still get some fresh garlic flavor infused into the dressing without the little pieces of raw garlic in the dressing when you serve it. 🙂 Shake to combine. You can make this ahead.
  3. Assembly: Toss the grapes and farro with about half of the dressing. Add the arugula, basil, cashews, and a handful (however much you want) of the pickled red onions. Toss to combine. Add additional dressing if it needs any more – for me, the original amount of dressing was just about right. Let the salad sit for just a few minutes to really get it nice and yummy, soaking in that dressing.


The amount of dressing is more than what you’ll need for 6 servings, but I always like to have extra homemade dressing on hand so I’m leaving these amounts as-is. Just keep the dressing for a few days and make the salad one more time! 🙂

For the nutrition I only counted half the dressing amount for 6 servings.

If making ahead, toss everything except the dressing, arugula, and basil. Those should be added right before serving.

  • Prep Time: 15 mins
  • Cook Time: 5 mins
  • Category: Dinner
  • Cuisine: American

Keywords: arugula salad, vegan salad, black pepper vinaigrette