This slow cooker 5-ingredient Amish celery noodle casserole is the kind of humble, comforting dish that shows up at every small-town church potluck here in the Midwest. It leans hard into one simple idea: celery as the star flavor, wrapped in a creamy sauce that clings to tender egg noodles. The recipe is inspired by old Amish and Mennonite community cookbooks, where pantry staples and garden vegetables are stretched into generous, crowd-pleasing casseroles. You get a silky, buttery cream sauce, soft pale-green celery slices, and noodles that soak up every bit of flavor—exactly the sort of thing a neighbor would quietly set on the buffet table in May, then watch disappear spoonful by spoonful.
Serve this casserole straight from the slow cooker while it’s still hot and creamy, with a big spoon for self-serve potluck style. It pairs well with simple sides like a crisp green salad with a tart vinaigrette, sliced tomatoes with salt and pepper, or steamed green beans to balance the richness. On the table at home, I like to offer crusty bread or soft dinner rolls for mopping up the buttery sauce, plus something tangy—like pickles or a vinegar-based coleslaw—to keep the meal from feeling too heavy. Unsweetened iced tea or lemonade fits the church-basement vibe perfectly.
Slow Cooker Amish Celery Noodle CasseroleServings: 8
Ingredients
12 oz wide egg noodles, uncooked
4 cups thinly sliced celery (about 1 medium bunch)
2 cans (10.5 oz each) condensed cream of celery soup
3 cups whole milk
1/2 cup (1 stick) unsalted butter, melted, plus more for greasing slow cooker
Directions
Lightly grease the inside of a 5- to 6-quart slow cooker with a little softened or melted butter to help prevent sticking and to encourage that buttery edge you see in classic potluck casseroles.
Rinse the celery, trim the ends, and slice it thinly into small half-moons or narrow crescents. You want about 4 cups total; thinner slices will soften nicely and blend into the creamy texture.
In a large bowl or pitcher, whisk together the condensed cream of celery soup and the whole milk until the mixture is completely smooth and no thick streaks of soup remain. This will be your creamy cooking liquid.
Spread the uncooked egg noodles evenly in the bottom of the greased slow cooker. Scatter the sliced celery over the noodles, spreading it into an even layer so every scoop will have some celery.
Pour the soup-and-milk mixture evenly over the noodles and celery, pressing down gently with the back of a spoon to make sure all the noodles are moistened and mostly submerged. It will look loose at this stage—that’s what you want.
Drizzle the melted butter over the top, aiming to cover as much surface area as possible. Some butter will pool at the edges as it cooks, creating that rich, glossy look and flavor around the sides.
Cover the slow cooker with the lid and cook on LOW for 3 to 4 hours, or until the noodles are tender and the celery is soft and pale green. Avoid lifting the lid in the first 2 hours so the noodles can steam and absorb the sauce evenly.
Once the noodles are tender, gently stir from the edges toward the center to redistribute the sauce and buttery pockets without breaking up the noodles too much. If the casserole looks a bit loose, let it sit on WARM for 10 to 15 minutes with the lid off; it will thicken as the noodles continue to absorb the sauce.
Taste and adjust at the table if desired with a little salt and black pepper, but keep in mind that the condensed soup already contains salt. Serve the casserole directly from the slow cooker on the WARM setting to maintain that silky, creamy texture for a potluck or family meal.
Variations & Tips
To keep the spirit of the recipe true to those simple Amish-style potluck casseroles, keep changes minimal and practical. For a slightly lighter version, you can swap half of the whole milk for 2% milk; the sauce will be a bit less rich but still creamy. If you prefer a thicker, almost spoon-standing casserole, reduce the milk to 2 1/2 cups and check the noodles around the 3-hour mark. For extra celery flavor, stir in 1 to 2 tablespoons of finely minced celery leaves along with the sliced celery. If your family likes a touch of onion without overpowering the celery, add 1/2 cup very finely minced onion or 1 teaspoon dried minced onion to the soup and milk mixture—this stays within that church-supper flavor profile. To add gentle protein without changing the five-core-ingredient structure, you can fold in 1 to 2 cups of cooked, shredded chicken or diced leftover ham during the last 30 minutes of cooking; just be sure it’s already fully cooked and cooled properly before using. For food safety, keep the casserole out of the temperature danger zone: do not leave it at room temperature for more than 2 hours (or 1 hour if the room is very warm). When serving at a potluck, use the WARM setting on the slow cooker instead of turning it off, and stir occasionally so the heat distributes evenly. Cool leftovers quickly by transferring them to shallow containers, refrigerate within 2 hours, and use within 3 to 4 days. Reheat gently on the stovetop or in the microwave with a splash of milk to loosen the sauce, stirring often so the noodles don’t dry out.