30 Easy Slow Cooker Casserole Recipes

When you think about casseroles, rectangular plates and oven racks are probably the first things that spring to mind.

However, with slow cookers becoming more and more popular, there are now many casserole recipes that have been designed around this kitchen gadget.

After putting these casserole recipes to the test, you will look at casseroles in a completely different light.

30 Easy Slow Cooker Casserole Recipes

The majority of people like casseroles because they are cozy, full of flavor, and warm, but it may be a hassle to put them together and then watch them carefully as they bake in the oven for a long time. 

These recipes can be put together super fast, and then you can walk away and let the slow cooker do its thing, leaving you free to get on with your day. 

Using a slow cooker, you will be able to prepare a dinner that everyone in your home will love, in a short amount of time, with a minimum amount of effort.

Let’s take a look at the 30 quick slow-cooker casserole recipes that you should try the next time you want to make a hearty and delicious dinner!

1. Crockpot Pizza Casserole

This crockpot pizza casserole contains all of your favorite pizza ingredients, including tomato sauce, garlic, pepperoni, ground beef, and lots of cheese.

However, you will be able to enjoy it in a pasta-based dish that requires only 15 minutes to prepare.

This dish will have to be in the slow cooker for 5 hours, but you won’t have to do anything during this time, leaving you free to do the things you enjoy rather than cooking.  

2. Crockpot Mexican Casserole 

Here is a delicious alternative to traditional Mexican food, while still keeping all of the delicious Mexican food flavors. This is a dish that resembles a taco salad, with even more delicious ingredients. 

It is also somewhat a healthy dish, with it including ingredients like black beans, bell peppers, and corn.

If you enjoy highly flavored dishes with a touch of fire and an abundance of protein, this dish is for you!

3. Crockpot Corn Casserole

Want to know how to make the fluffiest, lightest, and creamiest possible corn casserole? Skip the oven and make it in a slow cooker instead.

There are just six ingredients in this scrumptious dish, and one of them is a full stick of butter, so you can imagine how rich and velvety it is.

If you’re a corn casserole fan, then you have to give this recipe a try!

4. Crockpot Cowboy Casserole

This Crockpot cowboy casserole will satisfy your want for something hearty, garlicky, and full of chunky deliciousness.

It is comprised of ground beef, cream of chicken soup, cheddar cheese, tomatoes, garlic, potatoes, kidney beans, onions, and an abundance of flavorful spices.

This recipe is a cross between chili and casserole, combining the best of both worlds.

5. Slow Cooker Tater Tot Casserole  

This dish combines the tried and tested combo of meat and potatoes all in one dish. 

Besides a large amount of hamburger meat, this slow cooker casserole also has beans, cream of mushroom soup, cheese, onions, and more, making it an all-in-one dish that will keep you filled on a long, chilly night.

6. Slow Cooker Tamale Pie

This recipe is ideal for people looking for a dish with a more South of the Border flavor. It is somewhat peppery and carries an incredible taste punch.

The ingredient list is quite lengthy, but the prep time is only 25 minutes.

However, allow it plenty of time to cook in the slow cooker, since it takes around 7 hours.

7. Crockpot Kielbasa And Pierogi Casserole

It might look like there are a lot of different ingredients in this vibrant dish, but all you need is kielbasa, cheddar cheese, frozen pierogies, chicken broth, cream cheese, green onions, salt, and pepper to make it.

It has a tangy flavor, a savory flavor, and a cheese flavor, and the sausage is moist and delicious. Everyone will delight in this scrumptious and filling dinner.

8. Slow Cooker Eggplant Casserole

This outstanding Italian dish resembles eggplant parmesan, but also includes mozzarella, portobello mushrooms, fresh basil, and garlic and onion powders.

It takes less than half an hour to prep the dish, making it the perfect meal for times when you simply do not have the time or energy to devote to cooking.

9. Kitchen Sink Crockpot Casserole

It‘s pretty hard to describe this dish other than to say that it is unbelievably delicious, which is a very high compliment.

It has everything you might desire in a complete meal, including meat, vegetables, grains, cheese, and an abundance of robust, robust tastes.

If you enjoy a dinner that has a bit of everything, this is the one for you.

10. Sloppy Joe Casserole

This Crockpot dish is not only one of the easiest to prepare but also one of the fastest, requiring just over an hour from start to finish.

Assuming you have a Crock-Pot, Sloppy Joe sauce, ground beef, shredded cheddar cheese, and macaroni, this dish can be prepared in 70 minutes.

11. Slow Cooker Spaghetti Casserole

Similar to baked spaghetti, slow cooker spaghetti casserole is cheesier (with mozzarella, parmesan, and cheddar) and creamier.

Salt, pepper, crushed red pepper, onion, garlic, and Italian seasoning are among the aromatic and savory herbs and spices included.

To make this dish vegetarian-friendly, simply remove the ground beef and sausage.

12. Slow Cooker Zucchini Casserole

This flavorful, nine-ingredient casserole may be prepared in just 15 minutes, though it will require at least five additional hours to simmer.

It contains peppers, onions, zucchini, chopped tomatoes, pepper, salt, basil, parmesan cheese, and butter, and is suitable for vegetarians.

It has a crisp, somewhat sour flavor that works nicely with any sort of protein.

13. Slow Cooker Dorito Taco Casserole

This Dorito casserole ups the flavor of typical taco salad by using the greatest ingredients, including diced tomatoes, lean beef, taco seasoning, chiles, crushed Doritos, and more cheese.

The key component, however, is the Bacon Catalina dressing, which offers a deep, tangy depth of flavor that conventional taco salad just cannot match.

After browning the meat, you just place all ingredients in the slow cooker and let it do the rest of the job.

Start preparing it at noon so that it will be ready for dinner that same evening.

14. Crockpot Hash Brown Casserole

You’ve likely had hash brown casserole before, but you’ve probably never had one as delicious as this.

It is creamy, cheesy, and hearty, with plenty of soft potato pieces to appease even the grumpiest stomachs.

It requires eight hours to cook, but just five ingredients (plus salt and pepper). It is simple, practical, and tasty!

15. Slow Cooker Sweet Potato Casserole

What could be better than a sweet potato dish topped with lightly toasted micro marshmallows and blanketed with cinnamon and brown sugar-coated sweet potatoes?

This delectable meal has all of your favorite autumn flavors and tastes exactly like the sweet potato casserole you love.

This dish may be prepared in a slow cooker, so you won’t have to spend any of your precious time hovering around the oven. 

16. Crockpot Mac And Cheese

Extremely cheesy, soft, and gooey macaroni and cheese may be prepared in a Crock-Pot these days, as can almost anything else.

This meal is thick, creamy, and flavored with a touch of paprika.

Even if you believe you have already perfected macaroni and cheese, you won’t want to pass on this dish!

17. Crockpot Tuna Noodle Casserole

If you prefer tuna and noodles over beef and tater tots, this Crockpot tuna noodle casserole may be a better choice.

It has a smooth and creamy sauce, abundant herb taste, and superb cheddar cheese and breadcrumb topping.

Essentially, this is the classic tuna casserole, prepared in a slow cooker instead of the oven or stove.

18. Broccoli Casserole

This meal is wonderful regardless of how it is prepared, but this recipe is so simple that you will want to use it frequently.

Only sharp cheddar, cream of celery soup, frozen broccoli, green onions, and Ritz crackers are required.

The broccoli is delicate while retaining an excellent crunch.

The cheese is wonderful and gooey, and the Ritz crackers provide a crisp topping that ties the dish together.

19. Crockpot Cabbage Roll Casserole

If you have ever eaten a cabbage roll, you are aware of how flavorful and full they are, but you also know how difficult they are to roll up properly.

This dish delivers an abundance of flavor with a minimum of effort on your part.

After your ingredients have been heated and mixed, place them in the slow cooker and set the timer for between four and six hours. That level of convenience can’t be outdone by anything else.

20. Slow Cooker Green Bean Casserole

You won’t believe how delicious this slow cooker casserole with green beans with just six ingredients is, and you won’t believe how simple it is to make either.

The base of the dish has a smooth texture and a taste profile that is of beans, onions, and mushrooms.

The beans are cooked to a soft consistency, the sauce has a nice thickness to it, and the fried onions that are sprinkled on top give it a pleasantly crunchy texture.

Give this recipe a shot if you’re seeking the perfect dish to accompany your main course at an upcoming special occasion meal.

21. Slow Cooker John Wayne Casserole

I suppose you would call the John Wayne dish “Tex Mex,” but we prefer to refer to it as “Wild West cowboy meets South of the Border deliciousness.”

This dish has onions, tater tots, cheese, ground beef, tomatoes, bell peppers, taco seasoning, and additional ingredients.

As John Wayne would say, “There’s right and wrong,” and this dish is right.

22. Slow Cooker Baked Bean And Sausage Casserole

These beans are very decadent, sweet, and savory baked beans you’ll ever prepare. They’re spiced heavily with bacon and sausage.

You can’t go wrong with these delectable beans if you need a side dish for the holidays or something pleasant to bring on a picnic. They are perfect for all occasions. 

23. King Ranch Chicken

This casserole is the one for you if you’re searching for a dish that’s spicy and zesty with a creamy sauce, huge pieces of chicken that are soft to the bite, lots of peppers and chiles, and plenty of other vegetables on top of that.

It’s kind of like chicken and dumplings, except with tortillas instead of dumplings and a lot more tasty things thrown into the soup instead of chicken.

24. All-in-One Slow-Cooker Breakfast

This meal already has everything that you need for a breakfast, including hash browns, sausage, cheese, and eggs, so there is no need for you to worry about adding any more sides to it. 

For this recipe, you essentially just throw everything into the slow cooker and let it do its job while you sit back and relax in the mornings.

Breakfast (or brunch, depending on your preference) will be ready to be served as soon as you have completed your coffee and sliced some fresh fruit if you want to try and include some of your 5 a day into this meal. 

25. Pizza Quinoa Casserole

Try this quinoa casserole as a more nutritious option for your nightly pizza night if you’re looking for a change of pace. It is a fun way to disguise a dinner that is good for you but doesn’t let on that it is packed with protein and veggies.

26. Asparagus Tuna Noodle Casserole

Another recipe that features a twist on the classic tuna casserole shows just how popular and well-loved the original recipe is. 

In this recipe, the traditional tuna casserole is given a more contemporary twist by including both fresh asparagus and soup that was prepared from asparagus. 

This is a lovely and energizing diversion from the usual, which may be just what you need if you want a change of pace. 

If fresh asparagus is not available, frozen asparagus can be used as a suitable replacement.

27. Spaghetti Squash With Tomatoes And Olives

When served as a side dish, this squash is wonderful, but it can also be quickly changed into a simple and nutritious main dish by being topped with canned tuna. 

It’s a piece of cake, and the flavor is out of this world!

28. Denver Omelet Frittata

This frittata is stuffed with the conventional components for a Denver omelet, including peppers, onions, and ham. Additionally, it has potatoes, which lend it a heartier consistency and give it a more homey feel. 

Brunch is the perfect meal to serve visitors after they have participated in early morning activities such as going to church or any other early event.

29. Slow-Cooker Sausage & Waffle Bake

The dish that is shown here is a straightforward one, yet, it is certain to rouse some excitement at the dinner table! 

Combining ingredients that give this dish a perfect salty and sweet flavor, the ingredients may seem a bit strange, but once you try it you won’t be able to get enough!

30. Slow-Cooker Mac And Cheese

Mac and cheese is an American staple, so you may think that nothing new can be done with this dish. 

Well, we’re here to show you this slow-cooker twist on this classic meal!

This rich and cheesy classic casserole is the main dish that does not feature any meat in its ingredients. People will want a second serving of this meal, so be sure to make a lot!


With slow cookers and Crockpots becoming staple kitchen gadgets in many people’s homes, there are tons of recipies out there that show you how to get the most out of these little cookers. 

Casseroles are a classic dish that can include a high variety of ingredients, meaning that there will be a recipe out there for you no matter what your taste preferences are. 

Test out a few of the recipes above in your slow cooker or Crockpot to find your next favorite dinner meal!

30 Easy Slow Cooker Casserole Recipes

30 Easy Slow Cooker Casserole Recipes

Recipe by Jenna

Slow cooker casseroles are a great way to feed your family and friends. These easy casserole slow cooker recipes are delicious and easy to make.

Course: Dinner
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