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Home » Recipes » Chicken

Cheesy Potato Chicken Sausage Casserole

By Erin · January 28, 2021 · Updated October 23, 2021 · 32 Comments

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Gluten Free
casserole with potatoes, sausage, spinach and cheese and text overlay

A delicious Chicken Sausage Casserole that features the three best foods: chicken sausage, potatoes and cheese! It's easy to prep and everything is made in one skillet, and it's gluten free too.

skillet with potatoes, sausage and cheese

This chicken sausage casserole was one of the very first recipes I ever created for the blog, and today I'm sharing a new and improved version of the original recipe!

It kind of sort of reminds me of my cheesy cauliflower rice skillet, but with chicken sausage instead of shrimp and potatoes instead of cauliflower rice. If you love chicken sausage, potatoes and cheese, you're going to adore this casserole.

Recipe features

  • A one skillet recipe
  • Soft potatoes that pair perfectly with chicken sausage and cheddar cheese
  • Everything is cooked in the skillet, then baked in the oven so the cheese gets nice and melty

Ingredient notes:

Chicken sausage - I recommend avoiding any sort of apple-flavored chicken sausage; Andouille, Italian and/or any sort of roasted red pepper or garlic chicken sausage works best

Potatoes - I used Yukon gold, but russet potatoes would work great too

Cheese - The recipe calls for a combination of cheddar and parmesan; I'd say cheddar is a must, but you could use mozzarella, gruyere or smoked gouda in place of parmesan

Spinach - Can sub ANY kind of greens that you have in your refrigerator

Cornstarch - Can sub arrowroot

creamy cheese sauce with sausage, potatoes, spinach, and breadcrumbs

Step-by-step instructions

Step 1: Cook the chicken sausage. Begin by adding the chicken sausage, along with a little oil, to a large oven-safe skillet or dutch oven. Cook over medium heat until the chicken sausage is golden brown on all sides, then use a slotted spoon to remove it.

Step 2: Sauté the potatoes. Add the potatoes to the same skillet and cook over medium heat until the potatoes can be pierced with a fork. Be careful though -- you don't want them to be too soft or they'll fall apart. This should take 8-10 minutes, and you may need to add a little more oil.

Again, use a slotted spoon to remove the potatoes and place them into the same bowl as the chicken sausage.

diced potatoes in a skillet

Step 3: Make the cheese sauce. In that same skillet, add the onion and garlic and sauté for 2-3 minutes until the onion is soft. Add the milk and cornstarch to the skillet and whisk continuously until the cornstarch has dissolved.

As the milk begins to simmer, add the cheese in a little at a time, whisking until the cheese has melted and is smooth. Once all the cheese is gone, you should be left with creamy cheese sauce.

creamy cheese sauce in a large skillet

Step 4: Bake. Remove the skillet from the heat, then stir in the spinach until it wilts (this should only take a minute or so). Then, add the sausage and potatoes back into the skillet and stir so everything is coated in the cheese. Bake the casserole for 15-20 minutes, which will ensure the potatoes are nice and tender.

Tips and FAQS

-Peeling the potatoes is optional

-You can use whatever milk you have on hand -- I almost always use almond or oat milk

-If the cheese sauce seems to be thickening too quickly, reduce the heat to low

-To add even more flavor, you can sprinkle some breadcrumbs (no more than 2 tbsp) over the casserole before baking it. You can also drizzle some hot sauce over top after it comes out of the oven for a little heat if you want to make this spicy.

Can I make this vegetarian?

Of course! Simply sub your favorite meat alternative (think: tofurky or tempeh bacon) in place of the chicken sausage.

Can I omit the cheese?

Honestly, I wouldn't. Though I love creating dairy-free recipes, the cheese is kind of the star of this recipe. You can definitely sub your favorite vegan cheese though!

How should this be reheated?

Personally, I used the microwave to reheat this dish (is that lazy of me?!). If you're not into the microwave, you can place the casserole dish into the oven at 325° for 20-30 minutes or until it's warmed to your liking.

potatoes, spinach and chicken sausage in a gray bowl

More cheese-filled recipes

  • Truffle Mac and Cheese
  • Black Pepper Whipped Feta
  • Mediterranean Grilled Cheese 

If you made this recipe, be sure to leave a comment and star rating below. Thanks!

creamy cheese sauce with sausage, potatoes, spinach, and breadcrumbs

Cheesy Potato Chicken Sausage Casserole

A delicious Chicken Sausage Casserole that features the three best foods: chicken sausage, potatoes and cheese! It's easy to prep and everything is made in one skillet, and it's gluten free too.
5 from 3 votes
Print Pin Rate
Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Servings: 4
Author: Erin

Ingredients

  • 4 links chicken sausage sliced
  • 2 tablespoon olive oil
  • 6 cups diced potatoes peeled, Yukon gold or russet
  • ½ teaspoon salt
  • â…“ cup yellow onion diced
  • 3 garlic cloves minced
  • 2 cups milk any kind
  • 2 tablespoon cornstarch
  • 2 cups cheddar cheese shredded
  • 1 cup parmesan cheese shredded
  • 5 oz. spinach
  • 2 tablespoon breadcrumbs optional

Instructions

  • Preheat oven to 375°.
  • Add the oil and chicken sausage to a large, deep oven-safe skillet or dutch oven, and cook over medium until golden brown on both sides. Use a slotted spoon to remove the sausage and set it aside.
  • Add the potatoes and salt to that same skillet and sauté over medium until they can just be pierced with a fork, approximately 8-10 minutes. You don't want them to be too soft or else they'll fall apart in the oven. You may need to add more oil so they don't stick to the skillet. Then, use a slotted spoon to remove the potatoes and place them into the bowl with the chicken sausage.
  • Place onion and garlic into the skillet and sauté for 2-3 minutes or until the onion is soft. Then, pour the milk into the skillet and sprinkle the cornstarch overtop. Whisk continuously until the cornstarch has dissolved, then bring the milk to a low simmer. Once the milk starts simmering, sprinkle the cheese in a little at a time, whisking until it melts. Do this until all the cheese is gone.
  • Remove skillet from the heat and stir in the spinach until it wilts, about 1 minute. Add the sausage and potatoes back into the skillet and stir until everything is coated in cheese sauce. Sprinkle the casserole with breadcrumbs (optional) and place it in the oven. Bake for 15-20 minutes or until you can easily pierce the potatoes with a fork. Remove from the oven and drizzle with hot sauce (optional!) and enjoy!

Video

Notes

*Calories are per serving and are an estimation 
*Want to make this vegetarian? Simply sub your favorite meat alternative in place of the chicken sausage 

Nutrition

Calories: 777kcal | Carbohydrates: 80g | Protein: 48g | Fat: 42g | Saturated Fat: 21g | Cholesterol: 149mg | Sodium: 2015mg | Potassium: 1960mg | Fiber: 9g | Sugar: 11g | Vitamin A: 4590IU | Vitamin C: 83mg | Calcium: 926mg | Iron: 5mg
Did you Make this Recipe? Tag me Today!Leave a comment below and tag @thealmondeater on Instagram!

UPDATE NOTE: This post was originally published in April 2014. It was updated with new text and photos in January 2021.

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About Erin

Erin is the recipe developer, writer and photographer behind the healthy food blog, The Almond Eater. She's been blogging since 2014 and loves to create food for many different diets, including vegan, gluten free and/or Whole30 recipes.

Reader Interactions

Comments

  1. Alisha @ Alisha's Appetite says

    April 10, 2014 at 1:04 pm

    LOL! I am totally a cheese person, can I stay??

    Reply
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