This hearty sausage potato casserole is the perfect comfort food for any occasion. Combining savory sausage, tender potatoes, and creamy cheddar cheese, this dish is sure to satisfy your taste buds. It's easy to prepare and makes for a great family dinner or potluck dish.
Most of the ingredients in this recipe are common pantry staples. However, you might need to pick up a can of cream of mushroom soup if you don't already have it. This ingredient adds a rich, creamy texture to the casserole. Additionally, make sure you have enough cheddar cheese on hand, as it plays a crucial role in the dish's flavor.

Ingredients For Sausage Potato Casserole Recipe
Sausage: Adds a savory and slightly spicy flavor to the dish.
Potatoes: Provides a hearty and filling base for the casserole.
Onion: Adds a sweet and aromatic flavor when cooked.
Cheddar cheese: Melts into the casserole, adding a rich and creamy texture.
Cream of mushroom soup: Adds creaminess and depth of flavor to the dish.
Milk: Helps to thin out the soup and create a smooth sauce.
Salt: Enhances the overall flavor of the casserole.
Pepper: Adds a bit of heat and enhances the other flavors.
Technique Tip for This Casserole
When dicing the potatoes, try to keep the pieces uniform in size. This ensures that they cook evenly and become tender at the same rate. Additionally, when browning the sausage, make sure to break it up into small crumbles. This helps distribute the flavor more evenly throughout the casserole.
Suggested Side Dishes
Alternative Ingredients
sausage - Substitute with ground turkey: Ground turkey is a leaner option and can be seasoned to mimic the flavors of sausage.
sausage - Substitute with vegetarian sausage: For a vegetarian option, use plant-based sausage which provides similar texture and flavor.
potatoes - Substitute with sweet potatoes: Sweet potatoes add a different flavor profile and are packed with nutrients.
potatoes - Substitute with cauliflower: Cauliflower is a low-carb alternative that can be diced and used in place of potatoes.
onion - Substitute with leeks: Leeks offer a milder, slightly sweeter flavor compared to onions.
onion - Substitute with shallots: Shallots provide a more delicate and sweet flavor, making them a good substitute for onions.
cheddar cheese - Substitute with mozzarella cheese: Mozzarella melts well and has a mild flavor that complements many dishes.
cheddar cheese - Substitute with nutritional yeast: For a dairy-free option, nutritional yeast provides a cheesy flavor and is rich in B vitamins.
cream of mushroom soup - Substitute with cream of chicken soup: Cream of chicken soup can be used for a similar creamy texture and flavor.
cream of mushroom soup - Substitute with homemade mushroom sauce: A homemade mushroom sauce made with fresh mushrooms, cream, and broth can replace the canned version for a fresher taste.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that works well in casseroles.
milk - Substitute with coconut milk: Coconut milk adds a rich, creamy texture and a slight sweetness, suitable for many savory dishes.
salt - Substitute with soy sauce: Soy sauce can add a salty, umami flavor to the dish.
pepper - Substitute with cayenne pepper: Cayenne pepper adds a bit of heat and a different flavor profile compared to black pepper.
Alternative Recipes Similar to This Casserole
How to Store and Freeze This Casserole
Allow the casserole to cool completely before storing. This helps prevent condensation, which can make the dish soggy.
For short-term storage, transfer the sausage potato casserole to an airtight container. Store it in the refrigerator for up to 3-4 days.
If you plan to freeze the casserole, portion it into individual servings. This makes reheating easier and faster.
Wrap each portion tightly with plastic wrap, then place them in a freezer-safe bag or container. Label with the date for easy tracking.
When ready to reheat, thaw the casserole in the refrigerator overnight. This ensures even reheating and maintains the texture.
Reheat in the oven at 350°F (175°C) for about 20-25 minutes, or until heated through. Cover with foil to prevent the top from drying out.
Alternatively, you can reheat individual portions in the microwave. Place the portion on a microwave-safe plate, cover with a microwave-safe lid or another plate, and heat on medium power for 2-3 minutes, checking and stirring halfway through.
For an extra crispy top, sprinkle a bit of additional cheddar cheese on top before reheating in the oven. This adds a delightful texture and flavor.
Avoid freezing the casserole for more than 2-3 months to maintain the best quality and flavor.
If you notice any off smells or changes in texture after storing, it's best to discard the casserole to ensure food safety.
How to Reheat Leftovers
- Preheat your oven to 350°F (175°C). Place the sausage potato casserole in an oven-safe dish, cover with aluminum foil to prevent drying out, and bake for about 20-25 minutes or until heated through.
- For a quicker option, use the microwave. Transfer a portion of the casserole to a microwave-safe dish, cover with a microwave-safe lid or plastic wrap, and heat on medium power for 2-3 minutes. Stir halfway through to ensure even heating.
- If you prefer a crispy top, use a toaster oven. Preheat to 350°F (175°C), place the casserole in an oven-safe dish, and heat for 15-20 minutes. You can broil for the last 2-3 minutes to achieve a golden-brown crust.
- For stovetop reheating, place the casserole in a skillet over medium-low heat. Add a splash of milk or cream of mushroom soup to keep it moist, cover, and heat for 10-15 minutes, stirring occasionally.
Essential Tools for Making This Casserole
Oven: Used to bake the casserole at a consistent temperature of 350°F (175°C).
Skillet: Used to cook the sausage until browned.
Mixing bowl: Used to combine the sausage, potatoes, onion, cheddar cheese, cream of mushroom soup, and milk.
Spatula: Used to mix the ingredients together in the mixing bowl.
Baking dish: Used to transfer the mixture for baking.
Knife: Used to dice the potatoes and chop the onion.
Cutting board: Used as a surface to dice the potatoes and chop the onion.
Measuring cups: Used to measure out the potatoes, cheddar cheese, and milk.
Can opener: Used to open the can of cream of mushroom soup.
Colander: Used to drain excess fat from the cooked sausage.
Oven mitts: Used to safely handle the hot baking dish when removing it from the oven.
Time-Saving Tips for Making This Casserole
Pre-cook the potatoes: Boil the potatoes for 5-7 minutes before adding to the casserole to reduce baking time.
Use pre-shredded cheese: Save time by using pre-shredded cheddar cheese instead of shredding it yourself.
Chop vegetables in advance: Chop the onions and potatoes the night before and store them in the fridge.
One-pan method: Cook the sausage and onions together in the same skillet to save on cleanup time.
Use frozen potatoes: Substitute fresh potatoes with frozen diced potatoes to skip the peeling and chopping steps.

Sausage Potato Casserole Recipe
Ingredients
Main Ingredients
- 1 lb sausage
- 4 cups potatoes, diced
- 1 cup onion, chopped
- 1 cup cheddar cheese, shredded
- 1 can cream of mushroom soup
- 0.5 cup milk
- to taste Salt and pepper
Instructions
- Preheat oven to 350°F (175°C).
- Cook sausage in a skillet over medium heat until browned. Drain excess fat.
- In a large bowl, combine sausage, potatoes, onion, cheddar cheese, cream of mushroom soup, and milk. Mix well.
- Season with salt and pepper.
- Transfer mixture to a greased baking dish.
- Bake in preheated oven for 45 minutes or until potatoes are tender.
Nutritional Value
Keywords
Suggested Appetizers and Desserts
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