german potato salad

2 pounds baking potatoes, peeled and diced
Salt
6 ounces raw bacon, chopped
1 cup chopped onions
Freshly ground black pepper
Up to 1/4 cup apple cider vinegar (add a small amount at a time, and taste)
1/4 cup whole grain mustard
1/4 cup chopped green onions

Place the potatoes in a large pot and cover them with salted water by 2 inches.

Place over medium heat, and simmer the potatoes for about 15 minutes or until tender. Drain, and return to the pot to keep warm.

Meanwhile, cook the bacon in a large skillet until crispy over medium heat. Add the chopped onion, and season with salt and pepper. Sauté for 1 minute. Remove from the heat. Set aside.

Transfer the potatoes and the bacon mixture (including the bacon fat) to a large mixing bowl. Add vinegar (to taste), mustard and green onions. Season with salt and pepper.Stir to combine. Using the back of a wooden spoon to mash some of the mixture together.