Puree well, then adjust flavor with additional lemon juice and salt. Add yogurt and mix. Place in serving bowl and garnish with parsley and a sprinkling of olive oil. Serve with pita bread. Makes about 2 main-dish or 6 appetizer servings.
Drop leaves, a few at a time, into a large pot of boiling salted water.
Cook until limp, about 5 minutes. Combine all remaining ingredients except 1 cup water, garlic and lemon juice. Place 1 tablespoon of mixture on each leaf and roll up, tucking in sides to contain filling. Combine remaining ingredients. Invert a heavy heat-proof plate over the rolls.