Potatoes, 6, Onions, 1, Bacon, 2 slices, Vinegar, 3 tablespoons, Salt and pepper.
Boil the potatoes with the skins on. Peel them while hot, and slice thin. Add to them the onion, finely cut.
Cut the bacon into squares, and fry it until nicely browned, and then mix it with the potatoes.
Season to taste with salt and peeper, mix all thoroughly, and place in a warm oven for 10 minutes, to blend the flavors.