In a food processor, combine parsley, walnuts, garlic, lemon juice and salt. Pulse until combined.
Slowly drizzle in the oil until the mixture is smooth and reaches desired consistency (at least 1/2 cup up to 3/4 cup).
Serve immediately or store in the refrigerator until ready to serve.
Calories: 234kcal | Carbohydrates: 2g | Protein: 2g | Fat: 25g | Saturated Fat: 3g | Sodium: 300mg | Potassium: 115mg | Fiber: 1g | Sugar: 1g | Vitamin A: 1264IU | Vitamin C: 21mg | Calcium: 29mg | Iron: 1mg