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Sauce ingredients:
1 ½ cups fresh spinach leaves
1/3 cup olive oil
1/3 cup grated Parmesan cheese,
1/3 cup shelled walnuts
1/3 cup boiling water
2 cloves garlic
1 teaspoon salt
Hot, freshly cooked linguine
In a blender or food processor, purée all sauce ingredients; toss with pasta. Serve.