Over medium high heat saute' onions in chicken fat until soft, add chicken livers (whole) until liver is brown on the outside and onions are caramelized about 10-15 minutes
Put liver and onion mixture through a meat grinder and place in a bowl.
Add chopped eggs, crushed ritz crackers and salt & pepper to taste. Blend thoroughly.
Place chopped liver in ramekins and chill.
Serve with Challah, or crackers and cornichons