1. In a small saucepan, combine garlic and 1/2 cup water and poach about 15 minutes, until garlic is tender.
2. Bring another small pot of generously salted water to a boil and blanch the parsley for 2 minutes.
3. In a food processor or blender, combine the garlic, parsley, oil, lemon juice and 6 tablespoons of water and process until a purée. Season to taste with salt and pepper and chill.