Combine and mix: eggs, matzo meal, stock, chicken fat, parsley and salt.
Cover and chill 20 minutes.
Bring a large pot of salted water to a boil.
Scoop mixture and lightly shape into ball shapes (approx. 1.3 ounces each) and drop carefully into the water.
Cover and simmer very low 55 minutes.
Place one into a bowl and ladle your chicken soup on top!