Slice potatoes into 1/4" thick slices.

Place potatoes into a pan and fill with enough water to cover them.

Boil and cook for 6 minutes.

Drain and set aside.

Slice bacon into about 1" pieces.

Place in a large skillet and cook over medium high until browned and crisp.

Remove bacon from grease and place on paper towel lined plate to drain. Set aside.

Reduce skillet temperature to medium and add onions.

Cook until translucent and lightly brown.

Add the vinegar, water, sugar, salt and pepper to the pan.

Add potatoes to the pan.

Bring to a boil and cook for 7 minutes.

Add the bacon and parsley.

Transfer to serving bowl and serve warm.