5 lbs potatoes, boiled and skins removed, let cool.
6 hard boiled eggs, peeled and chopped.
1 medium onion grated
Dukes mayonnaise, start with 2 full cups, you may need more
1 t salt
1 t pepper
2 t celery seed
In a large bowl, gently mix all ingredients, if you need more mayo, add. Then place in container and refrigerate until completely cold.
Mom never measured, it was always eye balling. So you may need to adjust to your taste with salt and pepper.