Easy Sweet Potato Egg Casserole – Perfect Make-Ahead Breakfast

Why make this recipe

Easy Sweet Potato Egg Casserole is a fantastic choice for anyone looking to prepare a healthy, satisfying breakfast ahead of time. With its blend of sweet potatoes, turkey sausage, and vegetables, it brings great flavor and nutrition to your morning routine. Plus, it makes meal prep a breeze, allowing you to have a delicious, homemade breakfast ready to go during busy weekdays.

How to make Easy Sweet Potato Egg Casserole

Ingredients:

  • 3 garlic cloves, minced
  • 1 lb raw turkey sausage
  • 5 cups sweet potatoes, cut into 1-inch cubes
  • 1 green bell pepper, diced
  • ½ large yellow onion, finely chopped
  • 2 tbsp avocado oil (or olive oil)
  • ½ cup milk (whole milk gives extra richness)
  • 10 large eggs
  • ½ cup shredded mozzarella (use your preferred melting cheese)
  • 1 tsp salt
  • 1 tsp dried thyme
  • ½ tsp ground black pepper

Directions:

  1. Heat the oven & prep the dish. Set the oven to 350°F (175°C). Grease a 9×13-inch baking pan so nothing sticks, and get your veggies chopped while the oven warms.

  2. Sauté the veg. Warm the avocado oil in a large Dutch oven or heavy skillet over medium-high heat. Add the onion, bell pepper, and sweet potato cubes. Cook, stirring occasionally, until the pieces start to soften and pick up color (about 8–9 minutes). Stir in the garlic during the last minute of cooking.

  3. Layer the vegetables. Transfer the softened vegetables to the prepared casserole dish and spread them into an even layer.

  4. Brown the sausage. Return the pan to the stove, add the turkey sausage, and cook until it’s no longer pink. Break the sausage into small pieces as it browns. Drain any excess liquid if needed, then scatter the cooked sausage over the vegetables in the casserole pan and toss together.

  5. Whisk the eggs. In a bowl, beat the eggs with the milk, shredded mozzarella, salt, thyme, and pepper until smooth and well combined.

  6. Assemble & bake. Pour the egg mixture over the sausage-and-vegetable layer. Give the dish a gentle stir so the custard seeps into the potatoes and sausage. Place the pan in the oven and bake 40–45 minutes, or until the center feels set and a knife inserted near the middle comes out mostly clean. If the top browns too quickly, loosely tent with foil for the last 15 minutes.

  7. Rest, slice, serve. Remove from the oven and let the casserole rest about 15 minutes; this helps it firm up and makes slicing neater. Serve warm.

How to serve Easy Sweet Potato Egg Casserole

You can serve Easy Sweet Potato Egg Casserole warm, straight from the oven. It pairs well with fresh fruit, a dollop of Greek yogurt, or a sprinkle of fresh herbs for added flavor. Enjoy it as a hearty breakfast or a filling brunch dish that everyone will love.

How to store Easy Sweet Potato Egg Casserole

To store any leftover casserole, allow it to cool completely. Then, cover it tightly with plastic wrap or transfer it to an airtight container. Store in the refrigerator for up to 3–4 days. You can also freeze individual portions for later use; just make sure to wrap them well.

Tips to make Easy Sweet Potato Egg Casserole

  • For extra flavor, consider adding your favorite spices or herbs into the egg mixture.
  • You can use sweet potatoes that are already pre-cut or frozen if you are short on time.
  • Feel free to swap the turkey sausage for chicken sausage or any other protein you prefer.

Variation

You can make this casserole vegetarian by omitting the sausage and adding extra vegetables like spinach, zucchini, or mushrooms instead. You can also experiment with different cheese varieties like cheddar or pepper jack for a spicier kick.

FAQs

1. Can I make this casserole ahead of time?
Yes! You can prepare it the night before, cover it, and refrigerate before baking it in the morning.

2. Can I use other vegetables?
Absolutely! Feel free to add or replace any vegetables you enjoy, such as spinach, kale, or tomatoes.

3. How do I reheat leftovers?
You can reheat individual portions in the microwave for 1–2 minutes or bake the entire dish at 350°F (175°C) until heated through.

Easy Sweet Potato Egg Casserole

A healthy and satisfying breakfast casserole made with sweet potatoes, turkey sausage, and vegetables, perfect for meal prep.

Vegetables

  • 3 cloves garlic cloves, minced
  • 5 cups sweet potatoes, cut into 1-inch cubes
  • 1 large green bell pepper, diced
  • ½ large yellow onion, finely chopped
  • 2 tbsp avocado oil (or olive oil) (Can substitute with olive oil.)

Casserole Base

  • 1 lb raw turkey sausage (Can be substituted with chicken sausage.)
  • ½ cup milk (whole milk gives extra richness)
  • 10 large eggs
  • ½ cup shredded mozzarella (Use your preferred melting cheese.)

Seasonings

  • 1 tsp salt
  • 1 tsp dried thyme
  • ½ tsp ground black pepper

Preparation

  1. Set the oven to 350°F (175°C). Grease a 9×13-inch baking pan and chop your vegetables.
  2. Warm the avocado oil in a large Dutch oven or heavy skillet over medium-high heat.

Cooking Vegetables

  1. Add the onion, bell pepper, and sweet potato cubes. Cook, stirring occasionally, until softened (about 8-9 minutes). Stir in the garlic during the last minute.

Assembling Casserole

  1. Transfer softened vegetables to the prepared casserole dish in an even layer.
  2. In the same pan, add the turkey sausage and cook until no longer pink. Break into small pieces as it browns. Drain excess liquid if needed and scatter over the veggies, tossing gently.

Preparing the Egg Mixture

  1. In a bowl, beat the eggs with the milk, shredded mozzarella, salt, thyme, and pepper until smooth.

Baking

  1. Pour the egg mixture over the sausage and vegetable layer. Stir gently and bake for 40–45 minutes until set. Tent with foil if necessary.

Serving

  1. Let the casserole rest for about 15 minutes before slicing. Serve warm.

For extra flavor, consider adding your favorite spices or herbs into the egg mixture. You can use pre-cut sweet potatoes to save time.

Breakfast, Brunch, Main Course
American
Breakfast Casserole, Egg Casserole, Healthy Breakfast, Make Ahead Breakfast, Sweet Potato Casserole

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