Place hash browns in a large pot and add enough water to cover. Bring to a boil over medium-high heat. Once boiling, allow to cook for ten minutes or until tender.
1 32-ounce package cubed frozen hash browns
Drain potatoes and place them in a large bowl. Mash all of this up a bit with a potato masher, but leave them lumpy.
Place chopped sweet pickles and chopped onion into a blender, chopper, or small smoothie blender and pulse a few times until very fine, almost like a relish.
1/2 cup diced onion, 1/2 cup chopped sweet pickles
Place mayonnaise, pickle juice, mustard, finely minced pickles and onions, salt, and pepper in the bowl with the potatoes. Stir until well mixed, then stir in the chopped eggs just until incorporated.