Clean lettuce, wash and cut into fine strips. It put aside some small leaves for garnish. Wash parsley, pluck off the leaves. Golden brown roast pine nuts. Cut cheese into cubes. Give pasta in boiling salted water for 1 minute. Mix the lemon juice and vinegar. Season with salt, pepper, dried herbs and sugar. Beat oil among them. Mix dough shells, lettuce, parsley, pine nuts and feta cheese gently with the vinaigrette. Serve garnished with lemon slices and whole lettuce leaves.