How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Polish Reuben Casserole?

You need 10 ingredients. The key ingredients include: 2 cans cream of mushroom soup, 1/2 cup chopped onion, 2 (16 ounce) cans sauerkraut, rinsed and drained (I like SilverFloss brand), 1 1/2 lbs kielbasa, diced,rounded,sliced,whatever you prefer, and more.

Is Polish Reuben Casserole suitable as soups & stews?

Yes, Polish Reuben Casserole falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Polish Reuben Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Polish Reuben Casserole Recipe

Name: Polish Reuben Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 cans cream of mushroom soup; 1/2 cup chopped onion; 2 (16 ounce) cans sauerkraut, rinsed and drained (I like SilverFloss brand); 1 1/2 lbs kielbasa, diced,rounded,sliced,whatever you prefer; 3/4 cup breadcrumbs; 1 1/3 cups milk; 1 tablespoon mustard, regular yellow or spicy; 8 ounces medium noodles, uncooked; 8 ounces shredded swiss cheese; 2 tablespoons melted butter

Try this homemade Polish Reuben Casserole recipe the whole family will love. Made with cream of mushroom soup, onion, sauerkraut and kielbasa. Easy step…

This Polish Reuben Casserole relies on simple, everyday ingredients such as cream of mushroom soup, chopped onion, breadcrumbs and milk. It comes together quickly and makes 4 servings, at about 663 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Polish Reuben Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions