Wash potatoes, then halve and quarter, skin on. boil until they are almost soft. you want them to have texture.
Dice all of the bacon into 1/4 inch pieces. Fry crispy, set aside on a paper towel to cool.
Wash green onions and dice whole bunch into 1/4 inch pieces. Set aside.
When potatoes are done. Strain and remove half into a large mixing bowl. empty whole jar of mayo (Yes, all of it) into bowl with the bacon, mustard, green onion, and black pepper. Whip smooth. After you have done that fold in gently the rest of the potatoes to give a good texture. Chill and serve. You can garnish with bacon if desired.