Blue Cheese and Bacon Potato Salad
Ingredients:
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5 cups iced water, or as needed
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1 pound small red potatoes
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½ pound fresh green beans, cut into 1-inch pieces
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4 slices bacon
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¼ cup white wine vinegar
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¼ cup olive oil
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2 tablespoons mayonnaise
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1 tablespoon stone-ground mustard
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salt and ground black pepper to taste
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4 ounces crumbled blue cheese
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4 green onions, thinly sliced