If you’re looking for an easy, hearty, and healthy breakfast, this Turkey Sausage and Egg Casserole is the perfect choice! Packed with protein, flavorful turkey sausage, and melty cheese, it’s a satisfying dish that’s ideal for feeding a crowd or meal prepping for the week.
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Why You’ll Love This Recipe
High-Protein – A filling and energizing breakfast option.
Easy to Make – Simple ingredients and minimal prep.
Great for Meal Prep – Make it ahead and enjoy all week.
Lighter Option – Made with turkey sausage for a healthier twist.
Customizable – Add your favorite veggies or swap out the cheese.
Ingredients You’ll Need
For the Casserole:
1 lb turkey sausage, crumbled and cooked
10 large eggs
1 cup milk (whole or 2%)
1 cup shredded cheddar cheese
½ cup shredded mozzarella cheese
1 cup diced bell peppers (any color)
½ cup diced onion
1 tsp salt
½ tsp black pepper
½ tsp garlic powder
½ tsp paprika
Optional Add-Ins:
1 cup baby spinach, chopped
½ cup diced mushrooms
¼ cup chopped green onions
Tools You’ll Need
Large skillet
Mixing bowls
Whisk
9×13-inch baking dish
Non-stick spray
Step-by-Step Instructions
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C).
Grease a 9×13-inch baking dish with non-stick spray.
Step 2: Cook the Turkey Sausage
In a large skillet over medium heat, cook the crumbled turkey sausage until fully browned.
Drain any excess grease and set aside.
Step 3: Sauté the Vegetables
In the same skillet, sauté the diced bell peppers and onion for 3–4 minutes until softened.
If adding mushrooms or spinach, toss them in during the last minute of cooking.
Step 4: Prepare the Egg Mixture
In a large mixing bowl, whisk together the eggs, milk, salt, black pepper, garlic powder, and paprika until fully combined.
Step 5: Assemble the Casserole
Spread the cooked turkey sausage evenly in the bottom of the prepared baking dish.
Layer the sautéed vegetables over the sausage.
Sprinkle the shredded cheddar and mozzarella cheeses on top.
Pour the egg mixture evenly over all the ingredients.
Step 6: Bake
Bake for 30–35 minutes, or until the center is set and the top is lightly golden.
A knife inserted in the center should come out clean.
Step 7: Cool and Serve
Let the casserole cool for 5–10 minutes before slicing.
Serve warm with your favorite breakfast sides or sauces.

Tips for Perfect Egg Casserole
Use Fresh Ingredients – Fresh veggies and cheese make a huge difference.
Whisk the Eggs Well – This ensures a fluffy and even texture.
Customize It – Swap the cheeses, add herbs, or use different veggies to make it your own.
Let It Rest – Cooling slightly after baking helps the casserole set for cleaner slices.
Serving Suggestions
Fresh Fruit – Serve with a bowl of mixed berries or melon.
Avocado Slices – Creamy avocado pairs perfectly with the savory casserole.
Toast or Biscuits – A hearty side to round out the meal.
Hot Sauce or Salsa – Add a little kick if you like it spicy!
How to Store & Reheat
Storing:
Refrigerate: Store leftovers in an airtight container for up to 4 days.
Freezing:
Freeze individual slices wrapped tightly for up to 2 months.
Reheating:
Oven: Reheat at 350°F (175°C) for about 10 minutes.
Microwave: Heat slices on medium power in 30-second intervals until warmed through.
Frequently Asked Questions
- Can I make this casserole ahead of time?
Yes! Assemble it the night before, cover, and refrigerate. Bake fresh in the morning. - Can I use egg whites instead of whole eggs?
You can substitute half of the eggs with egg whites for a lighter version. - What other meats can I use?
Cooked chicken sausage, beef sausage, or even chopped turkey bacon are all great options. - Can I add potatoes?
Absolutely! Add 1 cup of cooked diced potatoes or hash browns to make it even heartier.
Final Thoughts
This Turkey Sausage and Egg Casserole is a delicious, protein-packed breakfast that’s perfect for feeding a crowd or preparing easy weekday meals. With savory sausage, colorful veggies, and plenty of cheese, it’s a comforting and customizable dish you’ll want to make again and again.
Give it a try and let me know how it turns out! Don’t forget to leave a review and share your hearty breakfast creations on Pinterest and Instagram. I can’t wait to see your delicious casseroles!
Preparation Time: 15 minutes
Cooking Time: 35 minutes
Cuisine: American
Nutritional Information (Per Serving):
Calories: 290 | Protein: 23g | Carbohydrates: 6g | Fat: 18g | Fiber: 1g | Sodium: 580mg

Turkey Sausage and Egg Casserole
- Total Time: 50 minutes
Description
If you’re looking for an easy, hearty, and healthy breakfast, this Turkey Sausage and Egg Casserole is the perfect choice! Packed with protein, flavorful turkey sausage, and melty cheese, it’s a satisfying dish that’s ideal for feeding a crowd or meal prepping for the week.
Want recipes like this delivered straight to your inbox? Subscribe now to get the latest culinary creations you’ll love.
Ingredients
For the Casserole:
1 lb turkey sausage, crumbled and cooked
10 large eggs
1 cup milk (whole or 2%)
1 cup shredded cheddar cheese
½ cup shredded mozzarella cheese
1 cup diced bell peppers (any color)
½ cup diced onion
1 tsp salt
½ tsp black pepper
½ tsp garlic powder
½ tsp paprika
Optional Add-Ins:
1 cup baby spinach, chopped
½ cup diced mushrooms
¼ cup chopped green onions
Instructions
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C).
Grease a 9×13-inch baking dish with non-stick spray.
Step 2: Cook the Turkey Sausage
In a large skillet over medium heat, cook the crumbled turkey sausage until fully browned.
Drain any excess grease and set aside.
Step 3: Sauté the Vegetables
In the same skillet, sauté the diced bell peppers and onion for 3–4 minutes until softened.
If adding mushrooms or spinach, toss them in during the last minute of cooking.
Step 4: Prepare the Egg Mixture
In a large mixing bowl, whisk together the eggs, milk, salt, black pepper, garlic powder, and paprika until fully combined.
Step 5: Assemble the Casserole
Spread the cooked turkey sausage evenly in the bottom of the prepared baking dish.
Layer the sautéed vegetables over the sausage.
Sprinkle the shredded cheddar and mozzarella cheeses on top.
Pour the egg mixture evenly over all the ingredients.
Step 6: Bake
Bake for 30–35 minutes, or until the center is set and the top is lightly golden.
A knife inserted in the center should come out clean.
Step 7: Cool and Serve
Let the casserole cool for 5–10 minutes before slicing.
Serve warm with your favorite breakfast sides or sauces.
Notes
Use Fresh Ingredients – Fresh veggies and cheese make a huge difference.
Whisk the Eggs Well – This ensures a fluffy and even texture.
Customize It – Swap the cheeses, add herbs, or use different veggies to make it your own.
Let It Rest – Cooling slightly after baking helps the casserole set for cleaner slices.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Cuisine: American