Arugula, Potato, and Green Bean Salad with Walnut Dressing

Whisk together vinegar, yogurt, mustard, and the toasted nuts in a small bowl; season with salt and pepper.

Add walnut oil in a slow, steady stream, whisking until emulsified.

Bring a medium saucepan of salted water to a boil.

Add potatoes, and cook until tender, about 10 minutes. Using a slotted spoon, transfer potatoes to a colander to drain. Return pan of water to a boil.

Prepare an ice-water bath.

Add green beans to boiling water and cook until tender and bright green, about 4 minutes. Using a slotted spoon, transfer to ice water to stop the cooking.

Drain and cut into 2-inch pieces.

Arrange arugula, potatoes, and green beans on a platter. Season with salt and pepper.

Drizzle with dressing, toss to coat, and serve.

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Reprinted with permission from Meatless From the Kitchens of Martha Stewart Living, © 2013 Martha Stewart Living Omnimedia, Inc.For more than twenty years, the food editors and chefs in the kitchens at MARTHA STEWART LIVING have produced dozens of bestselling cookbooks, including Martha Stewart's Cooking School, Martha's American Food, Martha's Baking Handbook, Everyday Food: Great Food Fast, and Power Foods. MARTHA STEWART is the author of more than 75 books on cooking, entertaining, crafts, home-keeping, gardens, weddings, and decorating. She is the host of Cooking School on PBS.