Bacon Horseradish Potato Salad

small red potatoes (scrubbed and cut into even, bite-sized pieces)

green onions (scrubbed, trimmed, and cut into thin slices, white pieces separated from the green)

apple cider vinegar

slices of bacon (fried 'til crisp, drained on paper towel, and crumbled)

hard boiled eggs (Optional!, peeled and roughly chopped)

mayonnaise (or more, to taste)

to 1/3 cup prepared horseradish (to taste)

kosher salt and freshly ground black pepper (to taste)