My Amish neighbor shared this old-fashioned potato secret with me last spring. The tangy twist makes these absolutely addictive!

These slow cooker 3-ingredient Amish vinegar potatoes are the kind of quiet little secret a good neighbor shares over the fence. The method comes from old-fashioned farmhouse cooking: simple pantry staples, long gentle heat, and a tangy vinegar twist that soaks right into the potatoes. The result is tender golden chunks with soft, buttery edges and a lightly caramelized, almost glazed surface that makes them surprisingly addictive. This is a practical, set-it-and-forget-it recipe that fits busy weeknights but still feels rooted in classic Midwestern and Amish comfort food traditions.

Serve these potatoes straight from the slow cooker alongside roast chicken, pork chops, ham, or grilled sausages. They’re also excellent with simple pan-fried fish or a big green salad for a lighter meal. The tangy vinegar glaze plays nicely with anything rich or creamy—think coleslaw, buttered green beans, or creamed spinach. Leftovers are great at room temperature as a potato salad base; just add a spoonful of mustard and some chopped herbs or onions before serving.

Servings: 6

3 pounds small golden potatoes, scrubbed and cut into 1 1/2-inch chunks

Prepare the potatoes: Scrub the golden potatoes well and cut them into roughly 1 1/2-inch chunks, leaving the skins on for better texture and flavor. Pat them dry with a clean towel so they don’t steam excessively in the slow cooker.

Make the vinegar-butter mixture: In a small bowl or measuring cup, whisk together the apple cider vinegar and melted salted butter until they look uniform. This mixture is what gives the potatoes their tangy, lightly glazed finish.

Season the potatoes: Place the potato chunks into a 4- to 6-quart slow cooker. Pour the vinegar-butter mixture evenly over the top. Sprinkle with kosher salt and freshly ground black pepper, if using, and toss gently with a spatula or wooden spoon to coat every piece.

Slow cook: Cover the slow cooker with the lid and cook on LOW for 5 to 6 hours, or on HIGH for 2 1/2 to 3 hours, until the potatoes are very tender when pierced with a fork. Avoid lifting the lid too often so the potatoes cook evenly and the vinegar can reduce slightly and cling to the potatoes.

Finish and lightly glaze: Once the potatoes are tender, gently toss them in the slow cooker juices. The vinegar-butter mixture should have reduced to a light, tangy glaze that clings to the potatoes, giving them a slightly glossy, almost caramelized look around the edges.

Serve: Taste and adjust seasoning with a bit more salt or pepper if needed. Serve the potatoes hot, straight from the slow cooker crock, making sure to spoon some of the tangy glaze from the bottom over the top just before bringing them to the table.

To keep this true to its 3-ingredient spirit, the core recipe uses only potatoes, apple cider vinegar, and salted butter; the salt and pepper are optional, flexible seasonings. If you’d like a slightly sweeter, more caramelized edge, whisk 1 to 2 teaspoons of sugar or honey into the vinegar-butter mixture before pouring it over the potatoes—this echoes how some Amish cooks balance tangy flavors. For a sharper flavor, swap in white wine vinegar or use half apple cider vinegar and half white vinegar. If you prefer a milder tang, reduce the vinegar to 3/4 cup and add 1/4 cup water. To add more richness without extra ingredients, finish with an extra tablespoon of melted butter stirred in at the end. For herb lovers, stir in a tablespoon of chopped fresh parsley, dill, or chives just before serving (this will move the recipe beyond three ingredients, but it’s a nice upgrade). Leftovers can be turned into a warm potato salad by adding a spoonful of mustard and a bit of mayonnaise or Greek yogurt. Food safety tips: Keep the slow cooker covered while cooking so the internal temperature stays in the safe zone. Use a food-safe, intact slow cooker insert, and avoid overfilling it beyond two-thirds full so the potatoes cook evenly. Once cooked, do not leave the potatoes in the slow cooker on the “warm” setting for more than 2 hours; transfer leftovers to shallow containers, cool promptly, and refrigerate. Reheat leftovers thoroughly until steaming hot before serving.