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Easy Sweet Potato Egg Casserole Recipe

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★★★★★

4.8 from 105 reviews

This Easy Sweet Potato Egg Casserole is a hearty and flavorful breakfast dish featuring tender sweet potatoes, savory turkey sausage, and a rich egg and cheese mixture. Baked to perfection, this one-pan meal combines wholesome ingredients to create a nutritious and satisfying start to your day, perfect for family breakfasts or brunches.

Ingredients

Scale

For the base:

  • 3 garlic cloves (minced)
  • 1 lb uncooked turkey sausage
  • 5 cups cubed sweet potatoes (1-inch cubes)
  • 1 green bell pepper (diced)
  • 1/2 large yellow onion (finely diced)
  • 2 tbsp avocado oil (or olive oil)

For the egg mixture:

  • 1/2 cup milk (whole milk for richness)
  • 10 large eggs
  • 1/2 cup grated mozzarella cheese (Sargento brand recommended)
  • 1 tsp salt
  • 1 tsp dried thyme
  • 1/2 tsp pepper

Instructions

  1. Preheat Oven and Prepare the Baking Dish: Preheat your oven to 350°F (175°C). While the oven is heating, chop all the vegetables. Grease a 9×13-inch casserole dish to prevent sticking during baking.
  2. Cook the Vegetables: Heat avocado oil in a Dutch oven or large saucepan until hot. Add the diced onion, green pepper, and sweet potatoes. Cook for 8-9 minutes, stirring occasionally, until vegetables soften. In the last 1-2 minutes, add minced garlic and sauté. Remove cooked vegetables and spread evenly in the prepared casserole dish.
  3. Cook the Sausage: In the same pan, add the turkey sausage and sauté until fully cooked, breaking it into small pieces as it cooks. Once done, add the cooked sausage to the vegetables in the casserole dish and stir to combine.
  4. Prepare the Egg Mixture: In a separate bowl, whisk together the eggs, milk, dried thyme, salt, pepper, and shredded mozzarella cheese until smooth and well combined.
  5. Combine and Bake: Pour the egg mixture evenly over the vegetable and sausage mixture in the casserole dish. Gently stir to disperse the egg mixture throughout. Bake in the preheated oven for 40-45 minutes, or until the center is firm. If the top browns too much, cover loosely with foil halfway through baking.
  6. Cool and Serve: Remove the casserole from the oven and let it cool for about 15 minutes before slicing and serving. This resting time allows the flavors to meld and makes serving easier.

Notes

  • You can substitute avocado oil with olive oil if preferred.
  • Use whole milk for a richer flavor or substitute with low-fat milk for a lighter option.
  • Covering the casserole with foil during baking prevents the top from burning while ensuring the center cooks through.
  • Leftovers store well in the refrigerator for up to 3 days.
  • To make this dish vegetarian, omit the turkey sausage and add extra vegetables or a plant-based sausage alternative.

Keywords: sweet potato casserole, breakfast casserole, turkey sausage breakfast, baked egg casserole, easy breakfast recipe

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