5 Ingredient Swiss Chicken Casserole

This easy 5-ingredient Swiss chicken casserole is the kind of old-fashioned comfort food that makes you think of cozy October evenings, family dinners, and recipes passed from one neighbor to another. My neighbor clipped this recipe from a magazine back in 1969 and made it every October until she could no longer cook. Now, I’m carrying on the tradition.

With tender chicken breasts, melted Swiss cheese, creamy chicken soup, and a buttery stuffing topping, this Swiss chicken casserole comes together with just five simple ingredients. It’s an easy chicken casserole recipe that delivers plenty of comforting flavor without requiring complicated preparation.

Why You’ll Love This Swiss Chicken Casserole

• Only 5 ingredients: Simple pantry and refrigerator staples make this recipe easy to prepare.
• Easy weeknight dinner: Minimal prep makes it perfect for busy evenings.
• Comfort food classic: Creamy chicken, melted cheese, and buttery stuffing create a satisfying combination.
• Family-friendly: The mild flavors make it a great choice for family dinners.
• Great for gatherings: A 9×13-inch casserole provides about six generous servings.
• Make-ahead friendly: Prepare the chicken, cheese, and soup layer ahead of time and add the stuffing before baking.
• One-dish meal: Everything cooks together in one casserole dish, making cleanup easier.

Ingredients

• 6 boneless, skinless chicken breasts
• 6 slices Swiss cheese
• 1 can cream of chicken soup
• 1 box dry stuffing mix
• 1/2 cup butter, melted

How to Make Swiss Chicken Casserole

1. Preheat the oven to 350°F. Lightly grease a 9×13-inch baking dish.
2. Arrange the chicken breasts in a single layer in the prepared dish. If the breasts are very thick, gently flatten or cut them in half horizontally for more even cooking.
3. Place one slice of Swiss cheese over each chicken breast.
4. Spoon the cream of chicken soup over the cheese and spread it into an even layer.
5. Sprinkle the dry stuffing mix evenly over the top.
6. Drizzle the melted butter over the stuffing, making sure as much of the topping as possible is lightly coated.
7. Bake uncovered for 45–55 minutes, or until the chicken reaches a safe internal temperature of 165°F and the stuffing is golden and crisp.
8. Let the casserole rest for 5–10 minutes before serving.

Helpful Tips

For smaller portions: Cut large chicken breasts in half horizontally before assembling the casserole. This also helps them cook more evenly.

For a creamier sauce: Mix 1/4 cup milk or water into the cream of chicken soup before spreading it over the chicken.

For a golden stuffing topping: If the casserole is fully cooked but the stuffing needs more color, broil it for 1–2 minutes while watching carefully.

Make it ahead: Assemble the chicken, Swiss cheese, and soup layer several hours ahead and refrigerate. Add the stuffing and melted butter immediately before baking.

Use baby Swiss: Baby Swiss is a good option if you prefer a milder cheese flavor while still keeping the classic character of the dish.

What to Serve With Swiss Chicken Casserole

Serve this creamy chicken casserole with buttery green beans, roasted or glazed carrots, cranberry salad, steamed vegetables, or a simple green salad.

For a heartier family dinner, serve it alongside mashed potatoes, egg noodles, steamed rice, or warm dinner rolls. The rice or noodles are especially good for soaking up the creamy sauce.