My mother in law makes this classic comfort food every single spring and it always steals the show. It is the absolute perfect savory hybrid of two traditional side dishes.

This slow cooker 5-ingredient Amish potato filling is exactly the kind of classic comfort food that shows up on Midwestern spring tables and quietly steals the show. It’s a cozy hybrid of two beloved sides—creamy mashed potatoes and buttery bread stuffing—baked together into one rich, spoonable casserole. Amish cooks have been making versions of potato filling for generations, usually for holidays and church suppers, and this stripped-down slow cooker version keeps the spirit of the original while staying weeknight practical. With just five ingredients and a hands-off cook time, it’s the kind of dish your mother-in-law might bring every Easter and everyone secretly hopes she made a double batch of.

Serve this Amish potato filling anywhere you’d normally offer both mashed potatoes and stuffing. It’s especially good alongside glazed ham, roast chicken, or a simple pork loin, because the creamy potatoes and toasted bread soak up juices and gravies beautifully. Add a bright, crunchy side like a lemony green salad, roasted asparagus, or steamed green beans to balance the richness. Leftovers reheat well and make a great base under soft-cooked eggs or sliced leftover meat for an easy next-day lunch.

Servings: 8

3 pounds russet potatoes, peeled and cut into 1 1/2-inch chunks

Lightly grease a 5- to 6-quart slow cooker crock with a bit of the melted butter or nonstick spray to help prevent sticking.

Place the peeled, chunked potatoes in a large pot and cover with cold water by about 1 inch. Add a generous pinch of salt and bring to a boil over medium-high heat. Reduce the heat to maintain a gentle boil and cook until the potatoes are very tender when pierced with a fork, 15 to 20 minutes.

While the potatoes cook, melt the butter in a small saucepan over low heat if you haven’t already. Set aside. Place the bread cubes in a large mixing bowl so they’re ready to absorb the butter and potato mixture.

Drain the cooked potatoes very well and return them to the hot pot. Let them sit for 1 to 2 minutes so excess steam can escape; this helps keep the filling fluffy instead of watery.

Add the melted butter and kosher salt to the hot potatoes. Mash until smooth and creamy; a few small lumps are fine. You want a thick, spoonable mashed potato base that will hold the bread cubes without turning soupy.

Stir the chopped celery into the hot mashed potatoes. The residual heat will soften the celery slightly while keeping a bit of crunch and those pale green flecks you see in traditional Amish fillings.

Scrape the warm potato mixture over the bread cubes. Gently fold with a spatula until the bread is evenly coated and the cubes are distributed throughout, trying not to break the bread down completely. The goal is a mix of creamy mashed potatoes with visible, softening bread cubes.

Transfer the mixture to the prepared slow cooker, spreading it into an even layer. Use the back of a spoon or spatula to create some shallow swirls and peaks on the surface—these will brown and form a bit of texture on top.

Cover and cook on LOW for 3 1/2 to 4 1/2 hours, or until the edges are lightly browned, the top feels set and slightly crusty in spots, and the center is hot and steamy. If your slow cooker has a hot spot, rotate the crock once during cooking for more even browning.

For a deeper golden top, you can uncover the slow cooker for the last 30 minutes of cooking to let a bit of moisture escape and encourage more browning on the surface.

Taste and add a pinch more salt if needed. Spoon the potato filling directly from the slow cooker to the table, serving it hot as you would mashed potatoes or stuffing. The top should look golden and textured, with creamy potatoes and visible toasted bread cubes and celery flecks throughout.

Because Amish potato filling recipes vary from family to family, this five-ingredient version is a great base you can adapt. For a more traditional flavor, stir in a finely chopped onion, sautéed in a bit of the butter until soft, before mixing it with the potatoes and bread. If you’d like more herb character, add 1 to 2 teaspoons dried parsley, rubbed sage, or marjoram (or a combination) to the hot potatoes with the butter and salt. To make it slightly lighter, you can replace half of the butter with whole milk or evaporated milk, adding enough to keep the potatoes creamy but not loose. If your bread is very soft or fresh, dry the cubes in a low oven (275°F) for 15 to 20 minutes so they toast rather than dissolve into the potatoes. For a crisper top, transfer the cooked filling to a buttered baking dish and broil for a few minutes until deeply golden. Leftovers can be pressed into patties and pan-fried in a little butter or oil until browned on both sides for a next-day treat that tastes like a cross between potato cakes and stuffing fritters.