Brown chicken and giblets with onion in a skillet. Put potatoes in the bottom of the crock pot and place browned chicken and onion on top. Add parsley, cumin and 1 1/2 cups stock; cover and cook on low for 6 to 8 hours. When ready to serve, stir in lemon juice. Take 1/2 or cooking liquid from pot and stir beaten egg into it; return egg mixture to crock pot and turn on high. Stirring constantly, cook until thickened. Do not allow liquid to come to a boil. Stir in fresh dill just before serving.