Italian Sausage Potato Casserole is a hearty, comforting dish that warms both the heart and the belly. Layered with savory Italian sausage and tender potatoes, this casserole is perfect for chilly evenings or family gatherings. Imagine the aroma filling your kitchen as it bakes away, creating a delicious blend of flavors. This recipe combines simple ingredients for a delightful, one-pot meal that everyone will love!
Why You’ll Love This Italian Sausage Potato Casserole
This dish is more than just a meal; it’s an experience. Here are a few reasons why you’ll adore this Italian sausage casserole:
- Comforting layers of potatoes and sausage create a filling dish.
- Easy to prepare, making it a great one-pot Italian sausage and potato meal!
- Perfect for family gatherings and meal prep.
- Deliciously cheesy with melted mozzarella that everyone loves.
- Versatile; you can add your favorite vegetables or spices.
- A hearty potato and sausage casserole that satisfies hunger.
With its Italian cuisine influence, this dish is bound to become a family favorite!
Ingredients for Italian Sausage Potato Casserole
Gather these items:
- 1 pound Italian sausage, casings removed
- 4 medium potatoes, thinly sliced
- 1 onion, sliced
- 2 cloves garlic, minced
- 1 bell pepper, sliced
- 1 can (14.5 oz) diced tomatoes, undrained
- 1 cup shredded mozzarella cheese
- 1 teaspoon Italian seasoning
- Salt and pepper to taste
- 2 tablespoons olive oil
- Fresh parsley, chopped (for garnish)
How to Make Italian Sausage Potato Casserole Step-by-Step
- Step 1: Preheat oven to 375°F (190°C).
- Step 2: In a large skillet, heat olive oil over medium heat. Add the Italian sausage and cook until browned, breaking it apart with a spoon, about 5–7 minutes. Remove from heat and set aside.
- Step 3: In a large mixing bowl, combine the sliced potatoes, onion, garlic, bell pepper, diced tomatoes (with juice), Italian seasoning, salt, and pepper. Stir well to combine.
- Step 4: Grease a 9×13-inch baking dish. Layer half of the potato mixture on the bottom. Top with half of the cooked sausage, then sprinkle with half of the mozzarella cheese.
- Step 5: Repeat the layers with the remaining potato mixture and sausage, and finish with the remaining mozzarella cheese on top.
- Step 6: Cover the baking dish with aluminum foil and bake for 45 minutes. Remove the foil and bake for an additional 15–20 minutes, or until the potatoes are tender and the cheese is bubbly and golden.
- Step 7: Garnish with fresh parsley before serving.
Pro Tips for the Perfect Italian Sausage Potato Casserole
Keep these in mind:
- Use fresh ingredients for the best flavor.
- Feel free to substitute with your preferred vegetables, such as spinach or zucchini.
- Make sure to slice the potatoes evenly for uniform cooking.
- This dish is perfect as a creamy potato casserole with Italian sausage.
Best Ways to Serve Italian Sausage Potato Casserole
Here are a few serving suggestions:
- Serve with a side salad for a complete meal.
- Pair it with garlic bread for an Italian feast.
- This casserole also makes for a great Italian sausage casserole with cheese.
How to Store and Reheat Italian Sausage Potato Casserole
This casserole is great for meal prep! Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply place it in the oven at 350°F (175°C) until heated through, about 20 minutes. You can also microwave individual portions for quick meals.
Frequently Asked Questions About Italian Sausage Potato Casserole
What’s the secret to perfect Italian Sausage Potato Casserole?
The key to a perfect Italian sausage potato casserole is layering the ingredients properly. Ensure that the potatoes are sliced thinly for even cooking, and don’t skimp on the seasoning. The combination of Italian sausage and cheese creates a delicious flavor that everyone will enjoy!
Can I make Italian Sausage Potato Casserole ahead of time?
Yes! You can prepare the casserole a day in advance. Just assemble it, cover it tightly, and refrigerate. When ready to bake, let it sit at room temperature for about 30 minutes before putting it in the oven to ensure even cooking.
How do I avoid common mistakes with Italian Sausage Potato Casserole?
To avoid common mistakes, ensure your potatoes are sliced uniformly. Also, be careful not to overcook the sausage before layering it, as it will continue to cook in the oven. Keeping an eye on the baking time will help achieve a perfectly baked casserole.
Variations of Italian Sausage Potato Casserole You Can Try
Consider these delicious variations:
- Add other vegetables like carrots or green beans for extra nutrition.
- For a spicier kick, use hot Italian sausage.
- Try a dairy-free version using plant-based cheese for a family-friendly potato and sausage dish.

Italian Sausage Potato Casserole: 7 Comforting Layers of Flavor
- Total Time: 1 hour 20 minutes
- Yield: 6 servings 1x
- Diet: None
Description
A hearty and comforting casserole featuring Italian sausage and layered potatoes, perfect for a cozy meal.
Ingredients
- 1 pound Italian sausage, casings removed
- 4 medium potatoes, thinly sliced
- 1 onion, sliced
- 2 cloves garlic, minced
- 1 bell pepper, sliced
- 1 can (14.5 oz) diced tomatoes, undrained
- 1 cup shredded mozzarella cheese
- 1 teaspoon Italian seasoning
- Salt and pepper to taste
- 2 tablespoons olive oil
- Fresh parsley, chopped (for garnish)
Instructions
- Preheat oven to 375°F (190°C).
- In a large skillet, heat olive oil over medium heat. Add the Italian sausage and cook until browned, breaking it apart with a spoon, about 5–7 minutes. Remove from heat and set aside.
- In a large mixing bowl, combine the sliced potatoes, onion, garlic, bell pepper, diced tomatoes (with juice), Italian seasoning, salt, and pepper. Stir well to combine.
- Grease a 9×13-inch baking dish. Layer half of the potato mixture on the bottom. Top with half of the cooked sausage, then sprinkle with half of the mozzarella cheese.
- Repeat the layers with the remaining potato mixture and sausage, and finish with the remaining mozzarella cheese on top.
- Cover the baking dish with aluminum foil and bake for 45 minutes. Remove the foil and bake for an additional 15–20 minutes, or until the potatoes are tender and the cheese is bubbly and golden.
- Garnish with fresh parsley before serving.
Notes
- Prep Time: 20 minutes
- Cook Time: 1 hour
- Category: Casserole
- Method: Baking
- Cuisine: Italian
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Sugar: 4g
- Sodium: 800mg
- Fat: 20g
- Saturated Fat: 8g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 3g
- Protein: 15g
- Cholesterol: 60mg
Keywords: Italian Sausage Potato Casserole








