sausage potato casserole

There’s nothing quite like a hearty sausage potato casserole to bring everyone to the table, and this recipe is truly a hug in a dish.

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I remember my mom making big, comforting meals, and dishes like this always felt so special. It reminds me of those cozy evenings gathered around the kitchen island, sharing stories and warmth.

This casserole is a testament to how simple ingredients can create something profoundly satisfying and surprisingly low-stress, especially when you’re craving that homemade touch without hours in the kitchen. It’s perfect for busy families who still want a delicious, cozy meal.

What You Need to Make This Recipe

This comforting sausage potato casserole features savory ground breakfast sausage, tender russet potatoes, and a luscious, creamy cheese sauce. I adore the aroma of sizzling garlic in this dish! All the exact measurements and full list of ingredients are waiting for you in the recipe card below.

How to Make sausage potato casserole

Creating this cozy sausage potato casserole is easy! You’ll start by browning the savory sausage and sautéing the vegetables, filling your kitchen with an incredible aroma. Next, a creamy, cheesy sauce comes together before everything is layered with tender potatoes and baked until bubbly and golden. It’s a process that feels just right for a cozy night in.

Hearty Cheesy Sausage Potato Casserole

This comforting sausage potato casserole is packed with savory breakfast sausage, tender potatoes, and a creamy, cheesy sauce, making it perfect for breakfast, brunch, or a satisfying dinner.

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Prep Time 25 minutes mins

Cook Time 40 minutes mins

Total Time 1 hour hr 5 minutes mins

Servings: 6 servings

Course: Breakfast, Brunch, Main Course

Cuisine: American

Calories: 550

Ingredients Equipment Method Notes

Ingredients

  

For the Sausage & Potatoes

• 1 tbsp olive oil
• 1 lb ground breakfast sausage mild or spicy
• 1 large onion diced
• 2 cloves garlic minced
• 2 lbs russet potatoes peeled and diced into 1/2-inch cubes

For the Creamy Sauce

• 1/4 cup unsalted butter
• 1/4 cup all-purpose flour
• 2 cups milk whole or 2%
• 1 tsp salt
• 1/2 tsp black pepper
• 1/4 tsp garlic powder
• 1/4 tsp onion powder
• 1/4 cup sour cream

For the Cheese Topping

• 2 cups shredded sharp cheddar cheese divided
• 1/2 cup shredded mozzarella cheese optional, for extra stretch

For Garnish (Optional)

• 2 tbsp fresh parsley chopped

Equipment

• Large Skillet
• 9×13 inch Baking Dish
• Large Mixing Bowl
• Cutting board
• Sharp knife
• Measuring Cups and Spoons
• Whisk

Method

 

Preparation

• Preheat oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish. Peel and dice the potatoes into uniform 1/2-inch cubes. Dice the onion and mince the garlic.

Cook Sausage and Vegetables

• Heat 1 tbsp olive oil in a large skillet or Dutch oven over medium-high heat. Add ground breakfast sausage and cook, breaking it up with a spoon, until browned and cooked through, about 5-7 minutes. Drain any excess grease.
• Add diced onion to the skillet with the cooked sausage and cook until softened and translucent, about 3-5 minutes. Stir in minced garlic and cook for another minute until fragrant.
• Add the diced potatoes to the skillet with the sausage and onion mixture. Cook, stirring occasionally, for 8-10 minutes until potatoes begin to soften slightly but are not fully cooked. Remove from heat and transfer the mixture to a large mixing bowl.

Make the Creamy Sauce

• In the same skillet (no need to clean), melt 1/4 cup unsalted butter over medium heat. Whisk in 1/4 cup all-purpose flour and cook for 1-2 minutes, stirring constantly, to create a roux.
• Gradually whisk in 2 cups milk until smooth and thickened, about 3-5 minutes. Stir in 1 tsp salt, 1/2 tsp black pepper, 1/4 tsp garlic powder, and 1/4 tsp onion powder. Cook for another minute, stirring.
• Remove the skillet from heat and stir in the 1/4 cup sour cream until well combined and smooth.

Assemble and Bake

• Pour the creamy sauce over the sausage and potato mixture in the large mixing bowl. Add 1 cup of shredded sharp cheddar cheese and mix everything thoroughly to combine, ensuring potatoes and sausage are well coated.
• Transfer the mixture evenly into the prepared 9×13 inch baking dish. Sprinkle the remaining 1 cup of shredded sharp cheddar cheese (and 1/2 cup mozzarella, if using) over the top.
• Bake for 30-35 minutes, or until the casserole is bubbling around the edges, the potatoes are fork-tender, and the cheese on top is melted and lightly golden. For an extra golden-brown crust, you can broil for the last 1-2 minutes, watching carefully to prevent burning.
• Remove from oven and let stand for 5-10 minutes before serving. This allows the casserole to set slightly. Garnish with fresh chopped parsley, if desired.

Notes

For a spicier casserole, use hot breakfast sausage or add a pinch of red pepper flakes to the sauce. You can substitute russet potatoes with Yukon Gold potatoes; adjust cooking time slightly if needed. Leftovers can be stored in an airtight container in the refrigerator for up to 3-4 days. Reheat gently in the microwave or oven. To make ahead, assemble the casserole up to step 6, cover tightly, and refrigerate for up to 24 hours. Add an extra 10-15 minutes to the baking time if baking from cold.

Pro Tips for Making This sausage potato casserole

I’ve picked up a few tricks to make your sausage potato casserole shine, bringing pure comfort in every spoonful.

• Pre-Cook Your Potatoes: A quick boil or microwave of sliced potatoes before layering helps them become perfectly tender during baking, preventing dryness. My secret for melt-in-your-mouth texture!
• My Secret Trick: For a richer flavor, I always use whole milk in my cheese sauce. It creates a creamier consistency and a deeper, more satisfying taste that truly makes the sauce sing.
• Rest for Perfection: Let the sausage potato casserole rest for 10-15 minutes after baking. This allows the sauce to set, ensuring cleaner, more delicious servings. Patience truly pays off!

Fun Variations for sausage potato casserole

Making this sausage potato casserole your own is fun! I love experimenting with flavors, just like my mom always encouraged me to do in her kitchen.

• Spice It Up: If you love a little kick, add red pepper flakes to the sausage as it browns, or mix in some diced jalapeños with the onions. A dash of smoked paprika also gives a lovely smoky twist!
• Different Cheeses: Explore beyond cheddar and mozzarella! Colby Jack or smoky Gouda can add fascinating new dimensions. Sometimes, I even throw in a little cream cheese to the sauce for an extra creamy texture, just like I do in my cowboy casserole.
• Meat Swaps: Not a fan of breakfast sausage? Ground Italian sausage, mild or spicy, works beautifully. Diced ham or cooked, shredded chicken can also offer a hearty twist for your sausage potato casserole.

What to Serve With sausage potato casserole

This hearty sausage potato casserole is quite a meal on its own, but sometimes you want a little something extra to round out the plate. My philosophy is always about balance, making sure every meal feels complete and satisfying.

• Crisp Green Salad: A simple side salad with a light vinaigrette is always a winner. The fresh, crisp greens cut through the richness beautifully, making each bite feel invigorating.
• Steamed Green Beans: For something warm and wholesome, quickly steamed green beans with a knob of butter and a sprinkle of sea salt are perfect. They’re quick, easy, and always a hit with my family.
• My Tip: I always make sure to have something fresh and vibrant on the side. It brightens up the plate and ensures everyone gets their greens in, balancing out the comforting richness of this dish.

How to Store sausage potato casserole

Leftovers of this amazing sausage potato casserole are almost as good as the first serving, if not better! I always ensure my family’s favorite dishes are stored properly so we can enjoy them for days to come.

• Refrigeration: Once cooled completely, transfer any leftover casserole into an airtight container. It will keep beautifully in the refrigerator for up to 3-4 days. This is my go-to for quick lunches!
• Reheating: My best tip for reheating is to cover it loosely with foil and warm it in the oven at 300°F (150°C) until heated through. This helps prevent it from drying out and keeps that lovely creamy texture. Sometimes, I add a splash of milk before reheating to bring it back to life!

Nutritional Benefits

Beyond its incredible comfort, this sausage potato casserole offers wholesome goodness. Potatoes bring complex carbohydrates for sustained energy, while sausage provides protein. With plenty of fresh vegetables, it’s a well-rounded meal designed to fuel your family.

FAQs

Absolutely! This sausage potato casserole is fantastic for meal prepping. You can bake it ahead, portion it out, and refrigerate or freeze individual servings. It reheats beautifully, making busy weeknights a breeze for your family.

Yes, you can! While russet potatoes offer that classic creamy texture, Yukon Golds or red potatoes also work well. Just be sure to adjust cooking times slightly, as denser potatoes might need a little extra time to become perfectly tender in your sausage potato casserole.

My key is a generous, well-made creamy sauce! Ensure your sauce is thick enough before assembling. Also, covering the sausage potato casserole with foil for the first part of baking helps retain moisture, ensuring every bite stays rich and tender.

While this specific recipe centers around sausage, you could certainly adapt it! Substitute the ground sausage with a plant-based crumble and use vegetable broth in the sauce. It won’t be a sausage potato casserole, but it would still be a comforting, hearty potato bake!

Conclusion

This sausage potato casserole truly embodies comfort, warmth, and ease, making it a perfect addition to any busy family’s meal rotation. It’s a recipe I cherish, reminding me of simple joys and hearty gatherings. I hope it brings as much coziness and deliciousness to your table as it does to mine, proving that comforting, homemade meals are always within reach. For another amazing cheesy comfort food, check out my big mac casserole.

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