Avgolemono
Avgolemono ( or ) or egg–lemon sauce is a family of sauces and soups made with egg yolk and lemon juice mixed with broth , heated until they thicken . 
<triplet> Avgolemono <subj> sauce <obj> subclass of <subj> broth <obj> has part <triplet> egg <subj> yolk <obj> has part <triplet> yolk <subj> egg <obj> part of