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2 lb 4 oz (1 ½ k) new potatoes, unpeeled, rinsed |
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2 teaspoons Dijon mustard |
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2 tablespoons red wine vinegar |
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4 tablespoons extra virgin olive oil |
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9 oz (250 g) cream cheese |
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9 oz (250 g) natural yogurt |
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4 celery stalks, finely chopped |
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3 tablespoons chives, finely chopped |