Instructions: 1. In a blender combine watercress, basil, garlic, olive oil, and Parmesan; blend to form a paste. Add cream and blend only until mixed; do not overblend.

2. Transfer mixture to a bowl and stir in walnuts and green onion. Season with salt and pepper. Mixture will thicken as it stands. If desired, add a tablespoon of milk or water to thin it out before serving. Mixture will keep up to 10 days, refrigerated.

Makes 2 cups.

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