Slice
liver into 2 inch cubes. Saute the onions in oil until transparent.
Drain and remove onions to bowl. Fry liver in same pan,
stirring frequently, until fully cooked (about 10 minutes).
Remove liver to bowl with onions; mix thoroughly and refrigerate
overnight. In a meat grinder or food processor, add liver
and onions and 3 eggs; grind until smooth paste. Add mayonnaise
and salt to taste; mix well. Serve with mini rye breads
or crackers. Garnish with radishes or tomato wedges.