This hearty sausage potato casserole is a comforting dish perfect for family dinners or gatherings. Combining savory sausage with tender potatoes and a creamy, cheesy topping, it's a meal that satisfies both the stomach and the soul. Simple to prepare and bake, this casserole is sure to become a favorite in your household.
Most of the ingredients for this sausage potato casserole are common pantry staples. However, you might need to ensure you have shredded cheddar cheese and sliced sausage on hand. These can be found in the dairy and meat sections of your supermarket, respectively. The diced potatoes can be prepared from fresh potatoes or purchased pre-diced in the produce section.

Ingredients For Sausage Potato Casserole Recipe
Sliced sausage: Adds a savory and meaty flavor to the casserole.
Diced potatoes: Provides a hearty and filling base for the dish.
Shredded cheddar cheese: Melts on top to create a deliciously cheesy crust.
Milk: Combines with the other ingredients to create a creamy texture.
Salt: Enhances the overall flavor of the casserole.
Black pepper: Adds a touch of spice and depth to the dish.
Technique Tip for This Recipe
To ensure the potatoes cook evenly and become tender, dice them into uniform pieces. This will help them cook at the same rate and prevent some pieces from being undercooked while others are overcooked. Additionally, consider parboiling the potatoes for about 5-7 minutes before layering them in the baking dish. This step can speed up the baking process and ensure a perfectly tender texture.
Suggested Side Dishes
Alternative Ingredients
sliced sausage - Substitute with ground turkey: Ground turkey is a leaner option and can be seasoned to mimic the flavors of sausage.
sliced sausage - Substitute with vegetarian sausage: For a vegetarian option, use plant-based sausage which provides a similar texture and flavor.
diced potatoes - Substitute with sweet potatoes: Sweet potatoes add a different flavor profile and additional nutrients like beta-carotene.
diced potatoes - Substitute with cauliflower florets: Cauliflower is a low-carb alternative that can mimic the texture of potatoes when cooked.
shredded cheddar cheese - Substitute with mozzarella cheese: Mozzarella provides a milder flavor and melts well, making it a good alternative.
shredded cheddar cheese - Substitute with nutritional yeast: For a dairy-free option, nutritional yeast provides a cheesy flavor and is rich in B vitamins.
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 creamy texture and a slight sweetness, suitable for those avoiding dairy.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor, enhancing the overall taste of the casserole.
black pepper - Substitute with white pepper: White pepper provides a similar heat but with a slightly different flavor profile, often used in lighter-colored dishes.
Alternative Recipes Similar to This Casserole
How to Store or Freeze This Casserole
- Allow the casserole to cool completely before storing. This helps prevent condensation, which can make the potatoes soggy.
- Transfer the sausage potato casserole to an airtight container. If you don't have one large enough, you can use multiple smaller containers.
- For short-term storage, place the container in the refrigerator. The casserole will stay fresh for up to 3-4 days.
- If you plan to store the casserole for a longer period, consider freezing it. Wrap the container tightly with plastic wrap and then with a layer of aluminum foil to prevent freezer burn.
- Label the container with the date and contents so you can keep track of how long it has been stored.
- When ready to reheat, if refrigerated, preheat your oven to 350°F (175°C). Transfer the casserole to an oven-safe dish if necessary and cover with foil. Heat for about 20-25 minutes or until warmed through.
- If frozen, allow the casserole to thaw in the refrigerator overnight before reheating. This ensures even heating and maintains the texture of the potatoes and sausage.
- For a quicker reheating option, you can use the microwave. Place a portion of the casserole on a microwave-safe plate, cover with a microwave-safe lid or another plate, and heat on medium power for 3-5 minutes, checking and stirring halfway through.
- To maintain the cheddar cheese topping's texture, you might want to add a fresh sprinkle of cheese during the last few minutes of reheating in the oven.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the leftover sausage potato casserole in an oven-safe dish, cover with aluminum foil, and bake for about 20-25 minutes or until heated through. This method helps maintain the texture of the potatoes and keeps the cheese melty and delicious.
For a quicker option, use the microwave. Place a portion of the casserole on a microwave-safe plate, cover with a microwave-safe lid or another plate to trap moisture, and heat on medium power for 2-3 minutes. Stir halfway through to ensure even heating. Be cautious not to overheat, as this can make the potatoes mushy.
If you have an air fryer, preheat it to 350°F (175°C). Place the leftover casserole in the air fryer basket, ensuring it's in a single layer. Heat for about 5-7 minutes, shaking the basket halfway through. This method can help retain a bit of crispiness in the potatoes and sausage.
On the stovetop, use a non-stick skillet over medium heat. Add a splash of milk or broth to the skillet to prevent sticking and add moisture. Place the leftover casserole in the skillet, cover, and heat for about 10 minutes, stirring occasionally until warmed through. This method can help revive the creamy texture of the dish.
Best Tools for This Recipe
Oven: Used to bake the casserole at a consistent temperature of 375°F (190°C).
Skillet: Utilized to cook the sausage over medium heat until browned.
Baking dish: The container where you layer the potatoes and sausage and bake the casserole.
Mixing bowl: Used to mix the milk, salt, and pepper together before pouring over the potatoes and sausage.
Measuring cups: Essential for accurately measuring the milk and shredded cheddar cheese.
Measuring spoons: Used to measure the salt and black pepper precisely.
Knife: Necessary for slicing the sausage and dicing the potatoes.
Cutting board: Provides a safe surface for slicing the sausage and dicing the potatoes.
Spatula: Helps in stirring and transferring the sausage from the skillet to the baking dish.
Oven mitts: Protect your hands when placing the baking dish in the oven and removing it once the casserole is done.
Grater: Used if you need to shred the cheddar cheese yourself.
Mixing spoon: Useful for mixing the milk, salt, and pepper in the mixing bowl.
How to Save Time on Making This Casserole
Pre-cook the potatoes: Boil or microwave the diced potatoes until slightly tender before layering them in the baking dish.
Use pre-shredded cheese: Save time by using pre-shredded cheddar cheese instead of shredding it yourself.
Batch cook sausage: Cook extra sausage and freeze it for future use in this or other recipes.
Mix ingredients ahead: Combine the milk, salt, and pepper mixture the night before to save time on the day of cooking.
One-pan method: Cook the sausage and potatoes together in the skillet to save on cleanup and time.

Sausage Potato Casserole
Ingredients
Main Ingredients
- 1 lb Sausage sliced
- 4 cups Potatoes diced
- 1 cup Cheddar Cheese shredded
- 1 cup Milk
- 1 teaspoon Salt
- 1 teaspoon Black Pepper
Instructions
- Preheat oven to 375°F (190°C).
- In a skillet, cook sausage over medium heat until browned.
- In a baking dish, layer potatoes and sausage.
- In a bowl, mix milk, salt, and pepper. Pour over potatoes and sausage.
- Top with shredded cheddar cheese.
- Bake for 45 minutes or until potatoes are tender.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Casserole
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