"This is a variation of the famous Frankfurter Grüne Sauce (Frankfurt Green Sauce). It's great with grilled salmon...."
INGREDIENTS
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1 tablespoon basil, chopped
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1 tablespoon chives, chopped
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1 tablespoon parsley, chopped
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1 tablespoon tarragon, chopped
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1 small gherkin, chopped
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2 teaspoons cider vinegar
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1/2 teaspoon Dijon mustard
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2 teaspoons olive oil
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3 1/2 ounces plain yogurt
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salt
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pepper