Freshly baked sweet potato egg casserole with sausage in a metal pan

Easy Sweet Potato Egg Casserole

Let me take you back a little: when I was a kid, Saturdays meant my mom making a big breakfast—pancakes, bacon, the whole shebang. But I distinctly remember a time she swapped the pancakes for something different—a warm, hearty dish with sweet potatoes and eggs. That memory stuck with me. Today, I’m sharing a version of that inspired morning dish: Easy Sweet Potato Egg Casserole.

You’re busy. Maybe you hit the snooze button. Maybe you’ve got meetings, kids, errands. What if breakfast could be quick, make‑ahead, and ready when you are? That’s where this easy egg breakfast casserole / egg and sweet potato bake comes in.

It’s not just delicious—it’s a smart move for busy mornings. You prep ahead, you bake, and you’ve got a meal you can trust. It reheats beautifully. It works for meal prep. And whether you call it a savory sweet potato casserole, sweet potato and egg dish, or just “that breakfast I want every week,” it delivers.

Why This Sweet Potato Egg Bake Is the Best Make-Ahead Breakfast Casserole

A Make-Ahead Breakfast That Saves You Time

  • Assemble it the night before, bake fresh in the morning.
  • Keeps well in the fridge for multiple days.
  • Perfect for busy weekday mornings or relaxed weekend brunch.

Protein-Packed and Filling

  • Eggs + turkey sausage = major protein punch.
  • Keeps you full longer and balances energy.

Healthy Egg Casserole with Dairy-Free Options

  • Plant-based milk and dairy-free cheese work great.
  • Makes this healthy egg casserole friendly for multiple diets.

Nutrient-Dense Ingredients in Every Bite

  • Sweet potatoes = fiber, vitamins, natural sweetness.
  • Bell peppers and onions = flavor and antioxidants.
  • Eggs = complete protein and choline.

Ideal Meal Prep Breakfast Casserole

  • Bakes firm, slices clean—ideal for grab-and-go.
  • Reheats well without drying out.

Best Sweet Potatoes for Your Sweet Potato Casserole with Eggs

  • Use orange-fleshed types like Garnet or Jewel.
  • Cube into even 1-inch pieces for even roasting and baking.
  • Pro tip: steam or microwave if your sauté takes too long—keeps the sweet potato egg bake from getting mushy.

Ingredients for the Oven Baked Egg Casserole

To make your casserole with sweet potato and sausage, here’s what you need:

  • Avocado oil
  • Yellow onion
  • Green bell pepper
  • Orange-fleshed sweet potatoes
  • Garlic
  • Turkey sausage
  • Eggs
  • Milk (regular or plant-based)
  • Dried thyme
  • Salt and pepper
  • Mozzarella cheese (or substitute as needed)

Step-by-Step Guide: How to Make a Sweet Potato Frittata Casserole

Baked sweet potato and egg casserole with sausage in a white dish

Step 1: Preheat and Prep for the Baked Breakfast Recipe

  • Preheat oven to 350°F (175°C).
  • Grease a 9×13” dish. Chop all your veggies and garlic.

Step 2: Sauté Veggies for Your Sweet Potato and Egg Dish

  • Sauté onion and bell pepper until soft.
  • Add cubed sweet potatoes—cook until just tender.
  • Stir in garlic, cook 1 more minute.

Step 3: Cook Sausage for the Casserole with Sweet Potato and Sausage

  • Brown turkey sausage.
  • Drain and set aside.
  • Add it to the veggie mix or layer into your baking dish.

Step 4: Make Egg Mixture for the Healthy Egg Casserole

  • Whisk eggs, milk, thyme, salt, and pepper.
  • Fold in most of the cheese (save some for the top).

Step 5: Combine and Bake the Egg and Sweet Potato Bake

  • Layer veggies and sausage in the baking dish.
  • Pour egg mixture over.
  • Top with remaining cheese.
  • Bake 40–45 minutes until just set in the middle.

Step 6: Cool Before Slicing Your Sweet Potato Egg Meal Prep

  • Let rest 15 minutes so slices hold their shape.

Avoid These Mistakes When Making a Baked Breakfast Casserole

  • Uneven sweet potato chunks = uneven cooking.
  • Overcrowded pan = soggy vegetables, not browned.
  • Too much liquid = runny, wet casserole.
  • Not letting it rest = slices fall apart.

Best Sides to Serve with Your Savory Sweet Potato Casserole

  • Fresh fruit salad
  • Toast with jam or butter
  • Lemon-dressed mixed greens
  • Avocado slices

Storage Tips for Your Sweet Potato Egg Bake

  • Refrigerate: Airtight container, up to 4 days.
  • Freeze: Cut into portions, wrap well—keeps for 3 months.
  • Reheat: Microwave or oven with foil.
  • Make-ahead: Assemble the night before, bake the next morning.
Slice of sweet potato egg casserole with sausage on a plate

FAQ: Sweet Potato Casserole with Eggs

What if I don’t have turkey sausage?

Swap for chicken, pork, or skip entirely for vegetarian.

Is this a sweet potato frittata or casserole?

It’s more of an oven-baked frittata-style casserole—big-batch friendly.

Can I make a smaller batch?

Half the recipe and use an 8×8” dish.

Will it reheat well for meal prep?

Yes, it’s ideal for sweet potato egg meal prep.

Conclusion + Call to Action

This easy sweet potato egg casserole checks every box: make-ahead, nutrient-rich, adaptable, and so satisfying. Whether you’re looking for a healthy egg casserole, a baked breakfast recipe, or a sweet potato and egg dish that actually keeps you full—this one’s for you.

Now, go make it happen. Prep it tonight, bake it tomorrow, and thank yourself later.

And hey, for more comforting casseroles and meal prep breakfast ideas, follow me on Pinterest: https://www.pinterest.com/emiliorecipes/

Print

Easy Sweet Potato Egg Casserole

This Easy Sweet Potato Egg Casserole is a hearty, protein-packed, make-ahead breakfast with turkey sausage, sweet potatoes, and eggs. Perfect for meal prep and busy mornings.

  • Author: Emilio
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings 1x
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • Avocado oil
  • 1 yellow onion, chopped
  • 1 green bell pepper, chopped
  • 2 large orange-fleshed sweet potatoes, cubed (e.g. Garnet or Jewel)
  • 2 cloves garlic, minced
  • 1 lb turkey sausage
  • 10 eggs
  • 1 cup milk (regular or plant-based)
  • 1 tsp dried thyme
  • Salt and pepper to taste
  • 1 ½ cups mozzarella cheese (or dairy-free substitute), divided

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×13” dish. Chop all vegetables and garlic.
  2. Sauté onion and bell pepper in avocado oil until soft. Add cubed sweet potatoes and cook until just tender. Stir in garlic and cook for 1 more minute.
  3. Brown turkey sausage in a separate pan, drain, and set aside. Combine with veggie mix or layer in baking dish.
  4. In a large bowl, whisk eggs, milk, thyme, salt, and pepper. Fold in 1 cup of the cheese.
  5. Layer veggies and sausage in the prepared baking dish. Pour egg mixture over. Top with remaining ½ cup cheese.
  6. Bake for 40–45 minutes or until set in the center. Let rest for 15 minutes before slicing and serving.

Notes

Assemble the night before and bake fresh in the morning. Reheats well and ideal for meal prep. Cut sweet potatoes evenly for even cooking. Avoid too much liquid to prevent sogginess.

Nutrition

  • Serving Size: 1 slice
  • Calories: 280
  • Sugar: 4g
  • Sodium: 520mg
  • Fat: 17g
  • Saturated Fat: 6g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 2g
  • Protein: 18g
  • Cholesterol: 190mg

Keywords: sweet potato, egg casserole, make-ahead breakfast, meal prep, turkey sausage, healthy breakfast

Did you make this recipe?

Share a photo and tag us — we can’t wait to see what you’ve made!