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This easy Turkey Sausage Breakfast Casserole is an easy make ahead breakfast that you just pop in the oven in the morning! Enjoy this breakfast casserole with turkey sausage and sweetpotatoes after a morning workout, for easy meal prep or for Sunday brunch!

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A loaded turkey sausage breakfast casserole recipe is just what I crave after a long run.

It’s satisfying, full of necessary protein + carbohydrates, as well as electrolytes for runners, like salt and potassium. Salt gets a bad rap, but sodium is so important for endurance athletes.

This turkey breakfast sausage casserole meets the bill and I bet after tasting it, you’ll be a believer too.

Turkey sausage actually pairs perfectly with sweetpotatoes in this breakfast casserole.

If you’re unsure what to eat with sweetpotatoes, don’t forget about turkey sausage or pork sausage!

this Post!

While I normally love both separately, pairing them together in a sausage and sweetpotato breakfast casserole is something new!

It does remind me of my savory breakfast skillet, but this time we’re using ground turkey and everything holds together a little differently.

Whether you like sweet or savory breakfast recipes, this one will win you over!

Why You’ll Love Turkey Sausage Breakfast Casserole

• Make ahead – Anything that can be made ahead, or partly made in advance, is a win. For this easy recipe, you can even make two and freeze one for later! We love to enjoy this on Christmas morning.
• Easy way to add veggies – Don’t we all want to eat more veggies? Load them up in this breakfast casserole with turkey sausage. You won’t taste them, but they’ll be covered in cheese and delicious.
• A delicate balance of sweet and savory – There is a natural sweetness in this casserole breakfast recipe thanks to the sweetpotatoes. It pairs nicely with the salty turkey sausage, and savory eggs and veggies, and is a great side for pancakes! The flavors are just absolutely perfect to me, which is why this sweetpotato egg casserole is an entertaining go-to. 
• Great any time of year! This delicious breakfast is great for the holidays, or really, any time of year. Pair it with this kodiak sheet pan pancake recipe for a sweet and savory brunch!
• High in protein – While most Americans get enough protein later in the day, getting enough in the morning hours can be difficult. A turkey sausage and egg breakfast casserole offers up a great amount of protein – approximately 25 grams per serving. More about protein needs here.
• Ready in under an hour – Plus, you can do some of the prep the night before. It’s easy to prep and then just stick it in the oven! One of my favorite recipes to make for a high protein breakfast.

Ingredients

There are times when I happen to be looking for breakfast recipes with turkey sausage and nothing sounds good. Not anymore!

While I list some modifications below for this easy breakfast casserole, here is how I make it perfectly each time. 

• sweetpotatoes – I prefer the flavor and sweetness of sweetpotatoes, but brown potatoes would also work! Or your favorite breakfast potatoes.
• mushrooms
• onion
• red bell pepper – You can also use/add green bell pepper or orange bell pepper.
• turkey sausage – I used pre-cooked, but uncooked turkey sausage also works. You can also substitute this for bacon or pork sausage.
• eggs
• shredded cheese – Goat cheese or feta cheese would provide a deeper flavor punch!
• evaporated milk
• spices – garlic powder, Italian seasoning, salt and pepper

Adding spinach, or greens, would also be delicious.

How to Make a Breakfast Casserole with Turkey Sausage

While this breakfast casserole does require some time to “sit” overnight, it is not very labor intensive once it’s all mixed.

This overnight turkey sausage egg casserole will make your mornings easier and more delicious.

Why not add some filling protein (to prevent excessive hunger later in the day), and some veggies and fiber to your breakfast?!

And then the oven does most of the work while you can get your chores done, like laundry, cleaning, other meal prep (my meal prep ebook breaks down reusing leftovers and prepping multiple meals at once!) or even sneak a quick workout in.

I’ll use my bike for peloton workouts so I don’t have to leave the house. 

You can easily do the preparation the morning of, and it will take about 10 minutes to prep this turkey breakfast sausage casserole.

To prep, cook your turkey sausage if it’s not pre-cooked. Cook your veggies as well in a hot skillet over medium high heat with a little olive oil, butter or coconut oil.

Whisk your ingredients in a bowl, adding in the cooked veggies and turkey sausage last. Then, let them cool and pour in a casserole dish for baking.

Bake for 45-55 minutes or until cooked through.

This works especially well on holidays. So, save this holiday breakfast casserole recipe for when the time comes and you’re feeding a large group. 

This breakfast sausage recipe is very forgiving. I hope you love it as much as we did! I love to serve this turkey sausage egg casserole with fresh fruit, coffee, and juice.

Tips for Storage and Freezing

• This casserole will be good for 3-4 days in the fridge. Or you can freeze it for up to 3 months!
• To make this advance, get all of the prep work done until baking, and cover with aluminum foil. Then, place in the fridge overnight. In the morning, bake as described and then cut into individual slices after letting cool.
• You can also freeze this turkey sausage casserole for later. To freeze, cover the unbaked casserole tightly. It will stay for 2-3 months in the freezer. When ready to bake, allow to thaw overnight in the freezer and then follow baking instructions. I’ll just prep two at once and freeze one for the following weeks

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Servings 8 servings

Turkey Sausage Breakfast Casserole

Sarah Schlichter, MPH, RDN

This Turkey Sausage Breakfast Casserole is an easy make ahead breakfast that you just pop in the oven in the morning! Enjoy this turkey sausage sweet potato egg casserole after a morning workout, for meal prep or with your favorite people!

4.38 from 8 ratings

Print Pin

Prep Time 10 minutes mins

Cook Time 50 minutes mins

Total Time 1 hour hr

Ingredients  

1x2x3x

• 4 cups sweetpotatoes, diced about 2 medium sweet potatoes
• ½ cup mushrooms
• 1 small yellow onion, diced
• ½ red bell pepper, diced
• 2 Tbsp olive oil or butter
• 16 oz turkey sausage precooked or uncooked both work
• 6 eggs
• 1 ½ cups shredded cheese of choice
• 12 oz can evaporated milk
• 1 tsp italian seasoning
• 1 tsp garlic powder
• 1/2 tsp salt
• ¼ tsp pepper

Get Recipe Ingredients

Instructions 

1. Chop your vegetables (sweetpotatoes, mushroms, onion and red pepper).
2. Preheat large skillet over medium high heat and start cooking sweetpotatoes with olive oil, butter or coconut oil.
3. If your turkey sausage is not precooked, cook it. Preheat a large skillet over a medium flame. Heat cooking oil and add turkey sausage (remove caseings if necessary).
4. In large mixing bowl, whisk together eggs, condensed milk, cheese and spices. In a separate mixing bowl, mix cooked vegetables and turkey sausage.
5. Once turkey sausage and and vegetables have cooled, combine with eggs, milk and cheese mixture.
6. Grease 9×13 casserole pan and pour combined mixture into pan, making sure to spread all ingredients out evenly.
7. Bake at 350 for 45-55 minutes or until cooked through. Let cool and enjoy with your favorite toppings.
   

Notes

If planning to freeze turkey sausage breakfast casserole, continue to step 6 and then cover with foil and plastic wrap and place in freezer for up to 2-3 months.

Nutrition

Serving: 1Calories: 456kcalCarbohydrates: 29gProtein: 29gFat: 25gSaturated Fat: 10gPolyunsaturated Fat: 12gTrans Fat: 1gCholesterol: 230mgSodium: 812mgFiber: 4gSugar: 12g

Did you make this recipe?Let us know how it was!