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Best Slow Cooker Sausage Casserole Recipe

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If you’re looking for a comforting and delicious meal that requires minimal effort, then you need to try this slow cooker sausage casserole recipe. Made with succulent sausages, flavorful vegetables, and a rich tomato sauce, this hearty dish is guaranteed to please your taste buds.

The slow cooker is the perfect tool for creating tender and flavorful dishes, as it allows the ingredients to cook low and slow, infusing them with deep and complex flavors. In this recipe, the sausages are first browned to enhance their natural flavors and then slow-cooked with a medley of vegetables, including onions, carrots, and bell peppers, which add a wonderful sweetness and texture to the dish.

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But the star of this recipe is undoubtedly the tomato sauce. Made with a combination of crushed tomatoes, garlic, herbs, and spices, the sauce is rich, tangy, and packed with umami flavors. As the sausages and vegetables simmer in the slow cooker, they absorb the delicious sauce, resulting in a hearty and satisfying casserole that is perfect for chilly nights or lazy weekends.

Ingredients

In order to make the best slow cooker sausage casserole, you will need a variety of fresh and flavorful ingredients. These ingredients will come together to create a delicious and hearty meal that is perfect for any occasion.

Here are the ingredients you will need:

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  • High-quality sausages: Choose your favorite type of sausages such as pork, beef, or chicken sausages.
  • Onions: Dice the onions and sauté them until they are soft and translucent.
  • Carrots: Slice the carrots into small rounds or dice them into bite-sized pieces.
  • Potatoes: Peel and cut the potatoes into chunks.
  • Garlic: Chop the garlic finely to release its aromatic flavors.
  • Tomato puree: Add richness and depth of flavor to the casserole.
  • Beef or vegetable stock: Use this as the base for the casserole to infuse all the ingredients with savory goodness.
  • Herbs and spices: Choose a combination of herbs and spices such as thyme, rosemary, paprika, and black pepper to season the casserole.
  • Worcestershire sauce: This will add a tangy and savory element to the casserole.
  • Canned tomatoes: Add a can of diced or crushed tomatoes to enhance the flavor of the dish.
  • Bay leaves: These aromatic leaves will add a subtle and pleasant flavor to the casserole.
  • Salt: Season the dish with salt according to your taste.
  • Olive oil: Use olive oil to sauté the onions and garlic and to coat the ingredients before cooking.

Directions

To make the best slow cooker sausage casserole, follow these easy steps:

1. Prep the ingredients

Start by gathering all the necessary ingredients for your sausage casserole recipe. This includes sausages, vegetables such as onions, carrots, potatoes, and celery, as well as seasonings like garlic, thyme, and bay leaves. Make sure to chop the vegetables into bite-sized pieces and have your sausages ready to go.

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2. Sauté the sausages

Before adding the sausages to your slow cooker, it’s best to sauté them first to enhance their flavor. Heat a frying pan with a little oil and cook the sausages until they are nicely browned on all sides. This step adds depth to the dish and gives the sausages a delicious, caramelized coating.

3. Prepare the slow cooker

Next, prepare your slow cooker by lining it with a slow cooker liner or lightly greasing the inner pot. This will make cleanup much easier later on. Place the sautéed sausages in the slow cooker and add the chopped vegetables. Mix them together gently to distribute the ingredients evenly in the pot.

4. Season and cook

Now it’s time to season your sausage casserole. Add the minced garlic, dried thyme, and a couple of bay leaves to the slow cooker. Season with salt and pepper to taste. You can also add a splash of Worcestershire sauce or balsamic vinegar for extra flavor. Cover the slow cooker and set it to cook on low heat for 6-8 hours or on high heat for 3-4 hours. The long, slow cook time will allow the flavors to meld together and result in a rich, hearty casserole.

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5. Serve and enjoy

Once the cooking time is up, carefully remove the lid and give the casserole a good stir. The sausages should be juicy and tender, and the vegetables should be cooked through. Serve the sausage casserole hot, garnished with fresh herbs such as parsley or thyme if desired. This comforting and satisfying dish pairs well with crusty bread or creamy mashed potatoes.

Follow these directions, and you’ll have the best slow cooker sausage casserole ready to enjoy with minimal effort. Whether it’s for a cozy family dinner or a gathering with friends, this delicious recipe is sure to impress!

Tips for Success

When making a slow cooker sausage casserole, there are a few tips you can follow to ensure a delicious and satisfying dish. Here are some suggestions to help you achieve success:

1. Choose the right sausage: The type of sausage you use can greatly impact the flavor of your casserole. Opt for high-quality sausages with robust flavors like Italian or chorizo to add depth to your dish. Make sure to remove the casings before cooking for ease of consumption.

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2. Brown the sausages: Before adding the sausages to the slow cooker, take the time to brown them in a pan. This will enhance their flavor, seal in the juices, and give them a nice crispy texture. It’s an extra step that is worth the effort.

3. Layer the ingredients: To ensure even cooking and to distribute the flavors throughout the casserole, layer your ingredients properly. Start with the sausages at the bottom, followed by vegetables, spices, and finally, the liquid or sauce.

4. Don’t overcook: While slow cookers are designed for long cooking times, it’s important not to overcook your casserole. Most recipes recommend cooking on low heat for 6-8 hours or on high heat for 3-4 hours, but it’s always a good idea to periodically check the doneness of the sausages and vegetables to avoid them becoming mushy.

5. Adjust the seasoning: Slow cooking can sometimes dilute the flavors, so it’s important to taste and adjust the seasoning before serving. Add more herbs, spices, salt, or pepper if needed to enhance the overall taste of the casserole.

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By following these tips, you’ll be well on your way to creating a flavorful and comforting slow cooker sausage casserole that will impress your family and friends. Enjoy!

Variations

Make this slow cooker sausage casserole your own by trying out some delicious variations. Here are a few ideas to get you started:

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  • Italian twist: Add some Italian seasoning and diced tomatoes with Italian herbs to give the casserole an Italian flair. Serve it with spaghetti or crusty bread to complete the meal.
  • Spicy kick: If you prefer your casserole with a bit of heat, try adding some sliced jalapenos or crushed red pepper flakes to the mix. The spicy sausage will pair perfectly with the added kick.
  • Veggie delight: Make this casserole more veggie-centric by adding a variety of vegetables such as bell peppers, zucchini, or eggplant. Not only will it add more color and flavor, but it will also make it a healthier option.
  • Cheesy goodness: For cheese lovers, sprinkle some grated cheddar or mozzarella on top of the casserole during the last 30 minutes of cooking. The melted cheese will add a gooey and indulgent touch to the dish.

Feel free to experiment with these variations or come up with your own. The versatility of this slow cooker sausage casserole recipe allows you to create a meal that suits your taste preferences and dietary needs.

Serving Suggestions

When it comes to serving your slow cooker sausage casserole, there are plenty of options to consider. Here are some serving suggestions to help you make the most of this hearty and delicious dish:

1. Serve with Crusty Bread: Nothing complements a warm and comforting casserole like some fresh crusty bread. Enjoy dipping the bread in the flavorful sauce and savoring each bite.

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2. Pair with Mashed Potatoes: For a more substantial meal, serve your sausage casserole with creamy mashed potatoes. The combination of tender meat and velvety potatoes is a match made in comfort food heaven.

3. Serve over Rice: Another option is to spoon the sausage casserole over a bed of fluffy rice. The rice will absorb the flavors of the dish and add a nice texture to each spoonful.

4. Garnish with Fresh Herbs: To add a touch of freshness and brightness to your dish, consider garnishing it with some freshly chopped herbs like parsley or thyme. The herbs will enhance the flavors and make your casserole look even more enticing.

5. Enjoy with a Side Salad: Balance out the richness of the casserole with a side salad. A simple green salad or a cucumber and tomato salad can provide a refreshing contrast and add some vitamins and nutrients to your meal.

Conclusion: With its rich flavors and hearty ingredients, this slow cooker sausage casserole is a delicious and satisfying dish. Whether you choose to serve it with crusty bread, mashed potatoes, rice, or alongside a fresh salad, it is sure to be a crowd-pleaser. Enjoy this comforting meal with family and friends, and savor every bite!

10 Best Slow Cooker Sausage Casserole Recipe

Must-Have

Hamilton Beach 10 Quart Slow Cooker

Perfect for large gatherings and events
$87.99
PRIMEPRIME
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Amazon price updated: August 25, 2025 11:07 am

Features

Part Number 33195
Model 33195
Warranty One(1) Year Warranty
Color Black
Is Adult Product
Size 10 Quarts
The Hamilton Beach Slow Cooker is designed for cooking meals for large groups, featuring a secure lid to prevent spills during transport. With three heat settings, it makes meal preparation effortless and mess-free.
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Includes auto warm and digital timer
$89.99 $118.99
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Amazon price updated: August 25, 2025 11:07 am

Features

Part Number 43237-2
Model SCCPVFC800-DS
Color Black
Is Adult Product
Size 8 Quarts
This large capacity Crock-Pot is perfect for feeding over 10 people, featuring a digital timer and an auto warm setting to keep your meals at the perfect temperature. It's easy to clean with its removable stoneware pot and lid.
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Edition First Edition
Language English
Number Of Pages 176
Publication Date 2015-05-15T00:00:00Z
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Size 2 Fl Oz (Pack of 12)
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Features

Part Number SCCPCCM250-BT
Model SCCPCCM250-BT
Warranty 1yr
Color White/Blue
Size 2.5 Quarts
This durable 2.5 quart Crock-Pot is ideal for dinners and potlucks, featuring an oven-safe stoneware serving dish and a Cook & Carry locking lid for hassle-free transport. It's easy to clean, making it a versatile cooking tool.
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Size 5.01 Ounce (Pack of 8)
Enjoy eight packs of mild Portuguese sausage that are gluten-free and contain no MSG. Each pack offers a minimum of 14 days of freshness, making it a perfect choice for your next meal preparation.

FAQ

What are serving suggestions?

Serving suggestions are ideas or recommendations for how to serve or use a particular food or product.

Hot Pick
Hawaiian Brand Portuguese Sausage Pack
Convenient 8-pack of mild sausage
Enjoy eight packs of mild Portuguese sausage that are gluten-free and contain no MSG. Each pack offers a minimum of 14 days of freshness, making it a perfect choice for your next meal preparation.
Amazon price updated: August 25, 2025 11:07 am

Why are serving suggestions provided?

Serving suggestions are provided to give consumers ideas on how to enjoy a product or to inspire them to use it in different ways.

Can I modify the serving suggestions?

Yes, you can modify the serving suggestions based on your personal preferences or dietary needs.

Where can I find serving suggestions?

Serving suggestions are often found on product packaging, websites, or recipe books that feature the specific food or product.

Conclusion

In conclusion, serving suggestions are a valuable resource for enhancing the dining experience. They offer creative ideas and inspiration for making simple meals more exciting and visually appealing. By following these suggestions, individuals can explore new flavors and experiment with different ingredients to create delicious and memorable dishes. Whether it’s a salad, main course, or dessert, serving suggestions encourage us to think outside the box and elevate our culinary skills. So the next time you’re preparing a meal, don’t forget to check out the serving suggestions for that extra touch of culinary magic. Happy cooking!

Olivia Carter
Olivia Carter

Olivia Carter is a passionate home cook and kitchen tech enthusiast with over 10 years of experience experimenting with innovative appliances and culinary techniques. She loves exploring how technology can simplify cooking while enhancing creativity in the kitchen. Olivia combines her love for food and gadgets to provide practical advice, honest reviews, and inspiring ideas for home cooks of all levels. When she’s not testing the latest kitchen tools, Olivia enjoys hosting dinner parties, developing recipes, and sharing her culinary adventures with the Tech for Cooking community. Her approachable style and expertise make her a trusted voice in the world of modern cooking.

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