1-First Step: Prepare the potatoes (mise en place) Scrub 2 lbs waxy potatoes clean but leave skins on. Place in a large pot, cover with cold water by 1 inch, add a pinch of salt. Bring to boil over medium-high heat, then reduce to simmer for 20 minutes until fork-tender (internal temp around 205°F). Drain and let cool slightly for 5 minutes until handleable. Peel skins gently with a paring knife, then slice into 1/4-inch thick rounds. Set aside in a large bowl. This keeps them intact for the classic texture.

2-Second Step: Cook the bacon and onions In a large skillet over medium heat, fry 6 bacon slices until crisp, about 8 minutes. Remove to paper towels, crumble once cooled. Keep 1/2 cup drippings in skillet (pour off excess if needed). Add 1 sliced onion to hot drippings, saute 4-5 minutes until softened and golden, stirring often. Onions release moisture that blends into the dressing base.

3-Third Step: Build the dressing Remove skillet from heat. Stir in 1/3 cup vinegar, 2 tbsp water, 1 tbsp sugar, 1 tsp salt, 1/2 tsp pepper, and 1 tsp Dijon mustard. Whisk vigorously for 1 minute until sugar dissolves and mixture emulsifies slightly. The off-heat addition prevents splattering while preserving bacon flavor potency. Taste and adjust salt if potatoes seem bland.

4-Fourth Step: Combine and toss Pour warm dressing over sliced potatoes in the bowl. Gently toss with a rubber spatula to coat evenly, 1-2 minutes. Fold in crumbled bacon. Let sit 10 minutes at room temp; potatoes soak up tang as they cool. This resting melds flavors for peak taste. If needed, splash extra vinegar for brightness.

5-Fifth Step: Finishing touches and serving Transfer to serving dish. Garnish with fresh parsley or extra pepper if desired. Serve warm alongside bratwurst, schnitzel, or pretzels. For parties, keep in low oven (200°F) up to 30 minutes. Pairs well with beer for Oktoberfest vibes. Nutrition: 250 calories, 10g fat per serving.