Name: Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe
Prep time: 15 min
Cook time: 1 h 10 min
Total time: 1 h 25 min
Cuisine: American
Ingredients: 1 pound sweet potato, peeled and diced into ½-inch cubes (about 1 medium to large potato); 1 tablespoon olive oil; ¼ teaspoon garlic powder; ¼ teaspoon paprika; ¼ teaspoon cumin; Kosher salt and freshly ground black pepper, to taste; ½ large onion, diced; 1 green bell pepper, deseeded and diced; 2 cloves garlic, minced; 8 ounces bacon; 1 pound breakfast sausage, mild, medium, or spicy, your choice; 12 large eggs; ⅓ cup milk (dairy or dairy-free); Optional: shredded cheese for garnish; Optional: sliced green onion for garnish

If you’re anything like me, breakfast is the most important—and sometimes the busiest—meal of the day. That’s why I absolutely adore sharing this Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe with you. It’s hearty, flavorful, and has that perfect balance of savory meats and sweet roasted potatoes, making it a guaranteed crowd-pleaser. Whether you’re feeding your family or prepping for a brunch gathering, this casserole will become a go-to in your kitchen.

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Why You’ll Love This Recipe

Rich Flavor Combination: The smoky bacon, savory sausage, and sweet roasted potatoes complement each other beautifully for a balanced breakfast treat.
Make-Ahead Friendly: You can prep the filling the night before, making your morning stress-free and delicious.
Feeds a Crowd: This casserole serves 12, perfect for family gatherings or brunch parties.
Versatile and Customizable: Whether you want a spicy kick or extra veggies, you can tweak it to fit your taste perfectly.

A thick slice of baked casserole is being lifted from a white baking dish with a metal spatula. The casserole is made of several layers including a golden-yellow egg mixture, chunks of orange sweet potato, green vegetable pieces, and browned bits of meat spread evenly throughout. The top is covered with melted cheese in light yellow and white tones, sprinkled with chopped green onions. More pieces of the casserole rest in the baking dish on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Ingredients You’ll Need

Each ingredient in this casserole plays a key role. I love how the sweet potatoes roast to a tender, caramelized texture while the bacon and sausage bring a savory depth that wakes up your palate first thing in the morning. Here are some tips on shopping and choosing the best ingredients.

Sweet potato: Choose a medium to large firm sweet potato with smooth skin; it roasts nicely and adds natural sweetness.
Olive oil: Use extra virgin for richer flavor when roasting your sweet potatoes.
Spices (garlic powder, paprika, cumin): These add warmth and complexity without overwhelming the other flavors.
Bacon: Thick-cut works best for crispy bites that stand up in the casserole.
Breakfast sausage: Mild, medium, or spicy work—pick according to your preference for heat.
Onion and green bell pepper: Fresh and crisp to add texture and a subtle sweetness.
Garlic: Fresh minced garlic brings essential savory notes.
Eggs: The binding element that holds the casserole together, ideally large eggs for consistent results.
Milk (dairy or dairy-free): Keeps the eggs light and fluffy.
Optional cheese and green onion: These add a finishing touch of creaminess and freshness when garnished.

Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I like to keep things fun by customizing the Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe depending on the season or mood. You might be surprised how easily you can cater it to various tastes or dietary needs.

Vegetarian Variation: Swap out the bacon and sausage for hearty mushrooms and plant-based sausage alternatives; it’s just as satisfying.
Spicy Kick: Add diced jalapeños or a dash of cayenne pepper to the sweet potatoes before roasting for an extra punch.
Cheese Lovers: Sprinkle sharp cheddar or pepper jack right on top before baking for melty, crispy edges.
Seasonal Veggies: Toss in some chopped spinach, zucchini, or even roasted butternut squash for more color and nutrition.

How to Make Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe

Step 1: Prep and Roast the Sweet Potatoes and Bacon

First things first, preheat your oven to 400°F (200°C). While it’s warming up, peel and dice your sweet potato into ½-inch cubes—this size helps them roast evenly and not mush. Toss the cubes with olive oil, garlic powder, paprika, cumin, salt, and pepper right on a baking sheet. On a separate sheet, lay out your bacon slices in a single layer. Pop both trays in the oven simultaneously. Keep an eye on the bacon; it usually crisps up after 15 to 20 minutes, so remove it promptly to avoid burning. Let the sweet potatoes keep roasting for another 15 minutes or until tender and lightly caramelized.

Step 2: Cook the Sausage and Sauté the Veggies

While the sweet potatoes finish, brown the breakfast sausage in a large skillet over medium-high heat. I prefer using a slotted spoon to transfer the cooked sausage to the casserole pan, so I leave behind excess grease. Drain all but about a tablespoon of this fat, then add diced onion and green bell pepper to the same skillet. Sauté these for around 4 to 5 minutes until softened, then stir in minced garlic for an additional minute. The aromas at this stage are seriously inviting!

Step 3: Assemble the Casserole

Once the sweet potatoes are roasted and the bacon is crispy (give it a rough chop or crumble with your hands), combine all the cooked ingredients—sweet potatoes, bacon, sausage, and sautéed veggies—in your 9×13-inch casserole dish. Give everything a good stir to distribute the flavors evenly. Taste and adjust salt and pepper if needed. If you love cheese, now’s the time to mix some shredded cheese in or sprinkle it on top—it melts beautifully in the oven.

Step 4: Add the Egg Mixture and Bake

In a separate bowl, whisk together your eggs and milk until the mixture turns lightly frothy. This helps keep the casserole fluffy instead of dense. Pour the egg mixture evenly over the casserole ingredients. Bake uncovered for 25 to 30 minutes, or until the center is fully set and the edges turn a nice golden color. The house will smell amazing while it bakes—trust me, this is what weekend mornings are made for.

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Pro Tips for Making Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe

Don’t Overcrowd the Baking Sheets: Giving your sweet potatoes and bacon room to roast ensures even cooking and crispiness.
Use a Slotted Spoon: Removing cooked sausage this way keeps grease out of the casserole, preventing sogginess.
Whisk Eggs Well: Incorporating air into the eggs before pouring gives a light, fluffy texture that’s delightful.
Watch Your Bake Time: Avoid overbaking to keep the casserole moist and tender instead of dry.

How to Serve Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe

The image shows a white rectangular baking dish filled with a baked egg dish cut into square pieces, each piece filled with chunks of orange sweet potato, green bell pepper, browned bits of sausage or bacon, and topped with melted cheese and green onion slices. Two white plates hold individual squares of the dish, each garnished with crescent slices of avocado and sprinkled with green onions. A woman’s hand holds a spatula lifting one square from the baking dish, and silver forks rest on the plates. All are set against a white marbled surface with a white cloth nearby. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

I love topping this casserole with sliced green onions or fresh herbs like parsley or chives. It adds a fresh pop of color and a little brightness to each bite. If you’re feeling cheesy, a sprinkle of crumbled feta or sharp cheddar right before serving takes it up a notch.

Side Dishes

Since this casserole is pretty hearty on its own, I like pairing it with light sides like a simple mixed greens salad tossed with lemon vinaigrette, fresh fruit salad, or even some crisp toast for those who want extra crunch.

Creative Ways to Present

For special occasions, I’ve served this casserole in mini muffin tins for bite-sized portions — perfect for brunch parties and easier for guests to grab. Another fun idea is layering it in clear glass baking dishes so the colorful layers show off beautifully when brought to the table.

Make Ahead and Storage

Storing Leftovers

Leftover casserole? No problem! I always store mine in an airtight container in the fridge, where it keeps beautifully for 4 to 5 days. I’ve found reheating in the microwave for 30 seconds to a minute keeps it moist and tasty without drying out.

Freezing

This casserole actually freezes so well! Just slice it into portions and place parchment paper between layers to prevent sticking, then store in an airtight container or freezer bag for up to 3 months. When you’re ready, thaw it overnight in the fridge and then reheat gently.

Reheating

To reheat, I recommend microwaving individual slices for a quick breakfast fix, or you can warm the whole casserole in a 350°F oven covered with foil until heated through and slightly crisped on top.

FAQs

Can I use regular potatoes instead of sweet potatoes in this casserole?

Absolutely! While sweet potatoes add a natural sweetness and vibrant color, regular potatoes (like Yukon gold or red potatoes) will work well too. Just dice them into similar sizes and roast until tender.
Is there a way to make this casserole gluten-free?

This recipe is naturally gluten-free as long as you check that your sausage and any optional cheese are gluten-free brands. Always good to double-check labels to be safe.
Can I prepare the casserole the night before?

Yes, and I highly recommend it for busy mornings! Prepare all the cooked ingredients and assemble the casserole base, then cover and refrigerate. When ready to bake, add the whisked eggs on top and bake as directed.
How do I know when the casserole is fully cooked?

The casserole is done when the egg mixture is set in the center and the edges start to turn golden brown. You can test by gently shaking the dish—if it jiggles slightly, give it a few more minutes. Avoid overcooking to keep it moist.

Final Thoughts

This Ultimate Sweet Potato Breakfast Casserole with Bacon and Sausage Recipe holds a special place in my heart—and in my brunch rotation. It’s one of those dishes that brings everyone to the table, full of warmth and comfort, plus a little bit of show-stopping flavor. I’m confident you’ll love making it as much as I do, whether for weekends, holiday mornings, or whenever you need a tasty, filling breakfast that can feed a crowd. Give it a try and enjoy the delicious results!