Slow Cooker Swiss Chicken Casserole is made with tender chicken, Swiss cheese, cream of chicken soup & stuffing mix, all slow cooked for easy prep!

This slow cooker chicken casserole recipe is perfect for those who are looking for a comforting and satisfying meal that requires minimal effort. The combination of chicken, cheese, and stuffing in this cheesy chicken casserole is sure to please even the pickiest of eaters.
What is Swiss Chicken Casserole?
Swiss Chicken Casserole is a delicious and easy-to-prepare dish that is perfect for busy weeknights or lazy weekends. It is a classic casserole that combines chicken, Swiss cheese, and a creamy sauce to create a comforting and filling meal. The dish is made in a slow cooker, which makes it even easier to prepare. All you need to do is combine the ingredients in the slow cooker, set it to cook for a few hours, and then come back to a hot and delicious meal.
The ingredients for Swiss Chicken Casserole are simple and easy to find at any grocery store. Some variations of the recipe may also include other ingredients like mushrooms, onions, or bacon. Whether you are feeding a crowd or just looking for an easy weeknight meal, this casserole is sure to please.
Possible Variations for Cheesy Chicken Casserole
There are many ways to customize Slow Cooker Swiss Chicken Casserole to suit your taste preferences. Here are a few ideas to get you started:
- Vegetarian: To make this dish vegetarian, simply omit the chicken and use vegetable broth instead of chicken broth. You could also add more vegetables, such as sliced mushrooms, chopped bell peppers, or diced zucchini.
- Spicy: If you like your food with a kick, add some heat to the casserole by including diced jalapeño peppers or a sprinkle of cayenne pepper. You could also use spicy cheese instead of Swiss cheese.
- Cheesy: For an extra-cheesy casserole, add more cheese! Try adding shredded cheddar or mozzarella cheese to the mix. You could also sprinkle some Parmesan cheese on top of the casserole before serving.
- Herbs and spices: Experiment with different herbs and spices to add more flavor to the casserole. Try adding fresh thyme, rosemary, or sage, or sprinkle in some garlic powder or onion powder.
- Different meats: If you’re not a fan of chicken, you could use other meats instead. Try using diced ham, cooked ground beef, or sliced sausage. You could also use tofu or tempeh for a vegetarian option.

Ingredients for Swiss Chicken Casserole
Cream of chicken soup: For a great creamy casserole, use one 10.5-oz can of condensed cream of chicken soup.
Milk: Add moisture to the dish with 1 cup of milk.
Chicken broth: You will need ½ cup of chicken broth to help thin the casserole out and give it more amazing flavor.
Sage: Add in ½ tsp of ground sage for an earthy and slightly peppery taste.
Onion powder: For a sweet and savory flavor, use 1 tsp of onion powder.
Garlic: Enhance all the wonderful flavors in this dish by adding 2 tsp of minced garlic.
Chicken: The protein of this main course is 6 skinless, boneless chicken breasts.
Cheese: Using 6 slices of Swiss cheese will give the casserole cheesy goodness in every bite.
Stuffing: You need one 12-oz box of seasoned stuffing mix for a buttery, salty and savory taste.
Butter: Moisten the stuffing with a ½ cup of butter, melted.
How to make Crockpot Swiss Chicken Casserole
Prep
Begin by heating the crockpot to HIGH. Then spray the inside with non-stick spray or use a crockpot liner.

Assemble
In a 4-cup measuring cup, whisk together the cream of chicken soup, milk, broth, sage, onion powder and garlic. Set this mixture aside.
Next, place the chicken breasts on the bottom of the slow cooker. Top the chicken with slices of Swiss cheese, then pour the cream of chicken mixture over the top.
After that, in a separate small bowl, melt the butter in the microwave and then proceed to toss in the stuffing mix. Transfer the stuffing to the top of the chicken as well.
Cook
Reduce the slow cooker to LOW heat, cover and cook for 6-7 hours.
Serve with a vegetable side dish and enjoy!

Slow Cooker Swiss Chicken Casserole
Ingredients
- 10.5 oz condensed cream of chicken soup
- 1 cup milk
- ½ cup chicken broth
- ½ tsp ground sage
- 1 tsp onion powder
- 2 tsp minced garlic
- 6 skinless boneless chicken breasts
- 6 slices Swiss cheese
- 12 oz seasoned stuffing mix
- ½ cup butter melted
Instructions
- Prep: Begin heating crockpot to HIGH. Spray inside with non-stick spray or use a crockpot liner.
- Assemble: In a 4-cup measuring cup, whisk together the cream of chicken soup, milk, broth, and seasonings. Set aside.
- Place chicken on bottom of slow cooker. Top with slices of swiss cheese, then cream of chicken mixture.
- Toss melted butter with stuffing mix, then arrange on top of the chicken mixture.
- Cook: Reduce heat to LOW. Cover and cook for 6-7 hours. Serve with a vegetable side dish. Enjoy!
Notes
Nutrition
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Serving Suggestions for Swiss Chicken Casserole
- Option 1: Serve with Rice or Noodles: One easy way to serve Slow Cooker Swiss Chicken Casserole is over a bed of rice or noodles. This will help absorb some of the delicious sauce and add some extra texture to the dish. You can use white rice, brown rice, or any type of noodle you like. Egg noodles or spaghetti are both great options.
- Option 2: Add Some Veggies: To make this dish even more nutritious, consider adding some vegetables to the mix. You can add chopped carrots, celery, or bell peppers to the slow cooker along with the chicken and sauce. Alternatively, you can serve the casserole with a side of steamed broccoli, green beans, or asparagus.
- Option 3: Make it a Sandwich: If you have any leftovers, consider turning them into a sandwich. Simply shred the chicken and place it on a toasted bun with some Swiss cheese and a dollop of sour cream. You can also add some lettuce, tomato, or avocado to make it even more filling.

Can I put raw chicken in a slow cooker?
Yes, raw chicken can be placed in a slow cooker. However, it is important to ensure that the chicken reaches a safe internal temperature of 165°F to prevent foodborne illness. It is recommended to use a meat thermometer to check the temperature of the chicken before serving.
Should I brown the chicken before slow cooking?
Browning the chicken before slow cooking can enhance the flavor and texture of the chicken. However, it is not necessary and the recipe will still turn out delicious without browning the chicken.
Why is my slow cooker chicken still tough?
There are several reasons why slow cooker chicken may still be tough. One possible reason is that the chicken was not cooked long enough. It is important to follow the recipe’s cooking time and temperature to ensure that the chicken is fully cooked. Another reason could be that the chicken was overcooked, which can cause it to become dry and tough.

Can I freeze slow cooker Swiss chicken casserole leftovers?
Yes, slow cooker Swiss chicken casserole leftovers can be frozen for later consumption. It is recommended to store the leftovers in an airtight container or freezer bag and consume within 2-3 months for best quality. When reheating, it is important to ensure that the casserole reaches a safe internal temperature of 165°F.
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Slow Cooker Swiss Chicken Casserole is a comforting and satisfying dish that is perfect for any occasion! This hearty chicken stuffing casserole is easy to prepare, combine the ingredients in the slow cooker, set it to cook for a few hours, and then come back to a hot and delicious meal.











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