Easy Sweet Potato Egg Casserole Recipe

If you are looking for a comforting, hearty breakfast or brunch dish that is both nourishing and bursting with flavor, this Easy Sweet Potato Egg Casserole is an absolute winner. It combines the natural sweetness of tender sweet potatoes with savory turkey sausage, melted mozzarella, and a fluffy egg base, creating a satisfying casserole that’s perfect for busy mornings or relaxed weekend gatherings. Each bite delivers a comforting blend of textures and tastes that will leave you smiling and reaching for another slice. Plus, it’s easier to prepare than you’d expect, making it the perfect addition to your recipe collection.

Ingredients You’ll Need

These ingredients are straightforward yet essential, each one bringing a unique touch to the dish’s incredible flavor, texture, and color. Their simplicity allows the natural sweetness of the sweet potatoes and the rich aroma of cooked sausage to shine through beautifully.

• 2 tablespoons avocado oil: A neutral oil perfect for sautéing without overpowering other flavors.
• 1/2 large yellow onion, chopped: Adds subtle sweetness and depth to the vegetable base.
• 1 green bell pepper, chopped: Provides fresh, crisp notes and vibrant color.
• 5 cups cubed sweet potatoes: The star of the show, delivering natural sweetness and a pleasing texture.
• 3 garlic cloves: Small but mighty, garlic infuses a lovely aromatic punch to the mix.
• 1 pound turkey sausage: Lean protein with a savory, hearty flavor that balances the sweetness.
• 10 eggs: The binding agent, bringing everything together with a fluffy, creamy texture.
• 1/2 cup milk (plant-based milk can be substituted): Adds creaminess and lightens the egg mixture perfectly.
• 1 teaspoon dried thyme: Offers an earthy, aromatic lift to the dish’s overall profile.
• 1 teaspoon salt: Enhances all the flavors beautifully without overwhelming them.
• 1/2 teaspoon pepper: Adds a gentle heat that complements the sausage and veggies.
• 1/2 cup grated mozzarella cheese: Melts into gooey, savory goodness that ties the casserole together.

How to Make Easy Sweet Potato Egg Casserole

Step 1: Preheat Oven and Prepare the Baking Dish

Start by warming your oven to 350°F (175°C), so it’s ready for baking when you are. While the oven heats, chop your veggies into bite-sized pieces — this prepares everything for a smooth cooking flow. Don’t forget to grease your 9×13-inch casserole dish; it makes sure all those rich layers don’t stick and come out perfectly when it’s time to serve.

Step 2: Cook the Vegetables

Heat the avocado oil in a Dutch oven or large saucepan over medium heat. Toss in the chopped onion, green bell pepper, and sweet potatoes, stirring occasionally. Let these cook for about 8 to 9 minutes until they soften and release their lovely aromas. In the last couple of minutes, add the minced garlic and sauté until fragrant. This step brings out the vegetables’ natural sweetness and creates a flavorful base for the casserole. Once cooked, spread the vegetables evenly across the prepared casserole dish’s bottom.

Step 3: Cook the Sausage

Use the same pan to save cleanup and full flavor. Add the turkey sausage and sauté until it’s browned and cooked through, breaking it into small pieces with your spatula as it cooks. This juicy, savory protein adds hearty satisfaction in every bite. Once done, mix the sausage into the cooked vegetables in the casserole dish, distributing it evenly for a perfect bite every time.

Step 4: Prepare the Egg Mixture

In a separate bowl, whisk together the eggs, milk, dried thyme, salt, pepper, and grated mozzarella cheese. Taking the time to mix this thoroughly ensures a smooth, even batter that will bake into a beautifully fluffy and cheesy custard throughout the casserole.

Step 5: Combine and Bake

Pour the egg mixture evenly over the sausage and vegetable layer. Gently stir to combine but don’t overmix — you want the layers to meld, not turn into a scramble. Place your casserole in the preheated oven and bake for 40 to 45 minutes. The center should set firmly when done, giving you that perfect custard-like texture. If you notice the top browning too quickly, just loosely cover with foil to protect it from burning.

Step 6: Cool and Serve

After baking, patience is a virtue! Let your casserole cool for about 15 minutes outside the oven. This resting time lets the flavors truly settle and makes slicing easier, so you get perfect pieces on the plate without crumble. Now it’s time to dig in and enjoy a warm, flavorful slice of this hearty dish.

How to Serve Easy Sweet Potato Egg Casserole

Garnishes

A sprinkle of fresh parsley, chopped green onions, or even a dash of hot sauce can elevate this casserole to new heights. These garnishes add fresh color and bursts of flavor that complement the rich, savory layers beautifully.

Side Dishes

This casserole pairs wonderfully with light sides like a crisp green salad or fresh fruit salad to balance the richness. A simple yogurt parfait or some crusty whole-grain toast also rounds out the meal perfectly.

Creative Ways to Present

Transform your Easy Sweet Potato Egg Casserole into a brunch star by serving it in individual ramekins or muffin tins for grab-and-go servings. You can also add a dollop of guacamole or sour cream on each portion for a fun twist.

Make Ahead and Storage

Storing Leftovers

Store any leftover casserole in an airtight container in the refrigerator for up to 4 days. This allows you to enjoy the hearty flavors again without any loss of quality—simply cover it well to keep it fresh.

Freezing

This casserole freezes wonderfully. After baking and cooling, portion it into freezer-safe containers or wrap tightly in foil and plastic wrap. It can be frozen for up to 3 months, making it a convenient meal prep option.

Reheating

Reheat your leftover casserole slices in the oven at 350°F until warmed through, about 15-20 minutes, or microwave for quicker results. Covering with foil while reheating helps keep the moisture locked in.

FAQs

Can I make the Easy Sweet Potato Egg Casserole vegetarian?

Absolutely! Simply omit the turkey sausage and add extra vegetables like mushrooms, spinach, or zucchini for a delicious vegetarian-friendly meal.

What is the best type of sweet potato to use?

Any sweet potato variety works well, but the orange-fleshed ones provide a wonderful natural sweetness and beautiful color that really brighten the casserole.

Can I prepare this casserole the night before?

Yes! You can assemble the casserole the night before, cover it, and refrigerate. Then bake it fresh in the morning for a fantastic breakfast ready when you are.

Is plant-based milk okay for this recipe?

Definitely. Whether you prefer almond, soy, oat, or another milk alternative, they all work well and add creaminess without changing the flavor drastically.

Can I use a different cheese if I don’t have mozzarella?

Sure thing! Cheeses like cheddar, Monterey Jack, or even a mild gouda would be delicious substitutes that melt nicely and complement the other ingredients.

Final Thoughts

This Easy Sweet Potato Egg Casserole has quickly become one of my go-to dishes when I want something hearty, flavorful, and simple to prepare. It’s the kind of comforting meal that welcomes you with warm aromas and satisfies with every bite. Whether for a special brunch or a nourishing start to your day, I promise this recipe will become a beloved favorite in your home too. Give it a try, and enjoy the delicious journey!

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