This easy sweet potato egg casserole is a cozy, satisfying dish that works for breakfast, brunch, or a light dinner. It combines tender diced sweet potatoes, sautéed onions and peppers, fluffy eggs, and melty cheese for a dish that smells warm and slightly sweet, tastes savory with a hint of caramelized onion, and has a soft, slightly crisp texture on top. If you like quick sweet potato skillet meals, you might also enjoy this similar recipe for a turkey and sweet potato skillet: turkey and sweet potato skillet.
Recipe Information
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Servings: 6
- Difficulty Level: Easy
Nutrition Information
(approximate per serving)
- Calories per serving: 250 kcal
- Protein: 13 g
- Carbohydrates: 17 g
- Fat: 14 g
- Fiber: 2 g
- Sugar: 6 g
- Sodium: 300 mg
Why Make This Easy Sweet Potato Egg Casserole
This casserole is fast, flexible, and family-friendly. It fills the kitchen with a warm, slightly sweet aroma from the sweet potatoes as it bakes. The eggs make the dish light and fluffy, while the cheese adds a creamy, savory finish. It’s great for meal prep, feeding a crowd, or using up leftover cooked sausage or bacon. The texture is soft inside with a golden top and the flavors balance naturally—sweet, savory, and a little crunchy from sautéed vegetables.
How to Make Easy Sweet Potato Egg Casserole
Follow simple steps to build layers of flavor. You will sauté the aromatics, assemble the casserole, and bake until the eggs set and the cheese bubbles and turns golden. The whole process is straightforward and forgiving—perfect for busy mornings or relaxed weekend brunches.
Ingredients:
- 2 large sweet potatoes, peeled and diced
- 6 large eggs
- 1 cup milk
- 1 cup shredded cheese (like cheddar or mozzarella)
- 1 small onion, diced
- 1 bell pepper, diced
- Salt and pepper to taste
- Olive oil or butter for greasing
- Optional: cooked sausage or bacon for added protein
Directions:
Step 1: Preparation
Preheat the oven to 375°F (190°C). Grease a 9×9-inch (or similar) baking dish with olive oil or butter. Peel and dice the sweet potatoes into roughly 1/2-inch pieces so they cook evenly. Dice the onion and bell pepper.
Step 2: Sautéing Vegetables
In a skillet, heat about 1 tablespoon of oil over medium heat. Add the diced onion and bell pepper. Sauté until they soften and the onion becomes translucent, about 5–7 minutes. Season lightly with salt and pepper. Remove from heat.
Step 3: Mixing Eggs
In a large bowl, whisk together the 6 eggs and 1 cup of milk until smooth. Add a pinch of salt and a few grinds of black pepper. This mixture will create a tender custard that holds the casserole together.
Step 4: Assembling the Casserole
Layer the diced sweet potatoes in the greased baking dish in an even layer. Spread the sautéed onion and bell pepper evenly over the sweet potatoes. If you use cooked sausage or bacon, sprinkle it over the vegetables now.
Step 5: Pouring and Topping
Pour the egg and milk mixture over the layered vegetables and potatoes so it fills the gaps. Sprinkle the 1 cup of shredded cheese evenly over the top.
Step 6: Baking
Place the dish in the preheated oven and bake for 25–30 minutes. Bake until the eggs are fully set in the center and the top is golden and slightly puffed. A knife inserted in the center should come out clean.
Step 7: Cooling and Resting
Let the casserole cool for 5 minutes before slicing. This short rest helps the custard finish setting and makes it easier to cut neat pieces.
How to Serve Easy Sweet Potato Egg Casserole
Serve warm, straight from the pan. Top with fresh herbs like chopped parsley or chives for a bright touch. Pair with a simple green salad for lunch, steamed vegetables for dinner, or toast and fruit for a hearty breakfast. Add hot sauce, salsa, or a dollop of Greek yogurt for extra tang.
How to Store Easy Sweet Potato Egg Casserole
- Refrigerator: Store in an airtight container for up to 4 days. Reheat gently in the oven at 325°F (160°C) for 10–15 minutes or in the microwave in 1-minute bursts until warmed through.
- Freezer: You can freeze individual slices wrapped tightly in plastic and foil for up to 2 months. Thaw in the fridge overnight before reheating in the oven for best texture.
- Tip: Reheat covered with foil in the oven to keep the casserole moist.
Expert Tips for Perfect Easy Sweet Potato Egg Casserole
- Cut sweet potatoes evenly so they cook at the same rate.
- If your sweet potato pieces are large, par-cook them by boiling for 5 minutes or microwaving for 3–4 minutes to ensure tenderness.
- Use whole milk or 2% for a creamier custard; dairy-free milk works but will change texture slightly.
- For extra flavor, sauté the vegetables in a little garlic or add a teaspoon of smoked paprika.
- Let the casserole rest before slicing to avoid a watery center.
- If using raw sausage, cook it fully before adding. For bacon, crisp it first for texture.
Delicious Variations
- Vegetarian: Add spinach and mushrooms in place of meat.
- Mediterranean: Use feta, sun-dried tomatoes, and oregano instead of cheddar.
- Southwestern: Add black beans, corn, jalapeño, and pepper jack cheese.
- Low-carb: Reduce sweet potatoes and add more veggies like zucchini and cauliflower.
- Make-ahead: Assemble the night before and refrigerate. Bake the next morning for fresh, hot casserole.
Frequently Asked Questions
Q: Can I use frozen sweet potato cubes?
A: Yes. Thaw and pat them dry first, then spread them out to avoid excess moisture. If frozen cubes are small, you may need less baking time.
Q: Do I need to pre-cook the sweet potatoes?
A: Not always. If diced small (1/2-inch), they usually cook through in 25–30 minutes. If pieces are larger, par-cook by boiling or microwaving for a few minutes.
Q: Can I make this dairy-free?
A: Yes. Use a dairy-free milk like oat or almond and a dairy-free shredded cheese or skip the cheese and add nutritional yeast for flavor.
Q: How do I know when the casserole is done?
A: The center should be set and not jiggly. A knife or toothpick inserted in the center should come out clean. The top should be lightly golden.
Q: Can I double the recipe for a crowd?
A: Yes. Use a larger baking dish and increase bake time slightly. Check for doneness after 30 minutes and then every 5–10 minutes until set.
Q: Can I add raw sausage?
A: Only if you brown and fully cook it before layering in the casserole. Raw sausage may release fat and prevent even cooking.
Q: Is this good for meal prep?
A: Yes. Slice and store portions in airtight containers for quick breakfasts or lunches. Reheat in the oven or microwave.
Conclusion
This Easy Sweet Potato Egg Casserole is a simple, tasty dish that’s great any time of day. It gives you sweet, tender potatoes, savory eggs, and melty cheese in one comforting pan. Try it for brunch, batch-cook for the week, or adapt it with the variations above. For a shredded sweet potato take on this idea and more inspiration, see this shredded sweet potato veggie casserole.
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Easy Sweet Potato Egg Casserole
- Author: hannah-belssy
- Total Time: 45 minutes
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
A cozy and satisfying dish combining tender sweet potatoes, fluffy eggs, sautéed vegetables, and melty cheese, perfect for breakfast, brunch, or a light dinner.
Ingredients
- 2 large sweet potatoes, peeled and diced
- 6 large eggs
- 1 cup milk
- 1 cup shredded cheese (like cheddar or mozzarella)
- 1 small onion, diced
- 1 bell pepper, diced
- Salt and pepper to taste
- Olive oil or butter for greasing
- Optional: cooked sausage or bacon for added protein
Instructions
- Preheat the oven to 375°F (190°C) and grease a 9×9-inch baking dish with olive oil or butter.
- In a skillet, heat about 1 tablespoon of oil over medium heat. Add the diced onion and bell pepper, sauté until softened, about 5-7 minutes, then remove from heat.
- In a large bowl, whisk together 6 eggs and 1 cup of milk until smooth. Add a pinch of salt and black pepper.
- Layer the diced sweet potatoes in the greased baking dish, then spread the sautéed onion and bell pepper over the sweet potatoes. If using cooked sausage or bacon, sprinkle it on top.
- Pour the egg and milk mixture over the layered vegetables and sprinkle shredded cheese on top.
- Bake for 25-30 minutes until the center is set and the top is golden.
- Let cool for 5 minutes before slicing and serving.
Notes
Serve warm topped with fresh herbs, or with a side of salad, steamed vegetables, or toast. Can be stored in the fridge for up to 4 days or frozen for up to 2 months.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Brunch
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 250
- Sugar: 6g
- Sodium: 300mg
- Fat: 14g
- Saturated Fat: 5g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 17g
- Fiber: 2g
- Protein: 13g
- Cholesterol: 210mg




