Instructions: Combine parsley, walnuts, garlic, Parmesan cheese, salt, basil and oil in food processor container and process until well blended and mixture is thick. Keep at room temperature. Meanwhile, cook Tagliatelle in plenty of boiling salted water until just tender but firm to the bite. Drain. Turn onto warm platter and top with walnut pesto sauce. Toss until Tagliatelle is well coated with sauce. Serve with additional Parmesan cheese, if desired.

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