In a large pot add your potatoes and cover with water. Place them over your burner and cook on high until they begin to boil. Then turn the heat down to medium-low and allow to simmer for 10-15 minutes. Once the potatoes are cooked, you should be able to easily insert a knife or fork into the center. Drain, and run under ice cold water, to cool potatoes.
In another large pan, add your eggs and cover in water. Bring to a boil and allow them to simmer for 15 minutes at a rolling boil. Remove from heat and drain water. Run under ice-cold water to cool the eggs off. Remove shells and allow to cool.
After your potatoes and hard-boiled eggs are chilling, in a mixing bowl combine celery, mayonnaise, sour cream, lemon juice, bacon bits. Mix until combined.
Once potatoes are chilled, cut them into cubes and add them into your bowl with sauce. Also cube chilled eggs and add to mixture. Add green onions and stir until everything is coated. Top with parsley if desired, add salt and pepper to taste. Serve chilled and enjoy!