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Easy Sweet Potato Egg Casserole Recipe

4.9 from 68 reviews

This Easy Sweet Potato Egg Casserole is a hearty, nutritious dish perfect for breakfast or brunch. Featuring sautéed sweet potatoes, green bell pepper, onion, and turkey sausage, all combined with a cheesy, herb-infused egg mixture and baked to perfection. It’s flavorful, protein-packed, and easy to prepare in one baking dish.

Ingredients

Scale

Vegetables

  • 2 tablespoons avocado oil
  • 1/2 large yellow onion, chopped
  • 1 green bell pepper, chopped
  • 5 cups cubed sweet potatoes
  • 3 garlic cloves, minced

Protein

  • 1 pound turkey sausage
  • 10 eggs

Dairy and Seasonings

  • 1/2 cup milk (plant-based milk can be substituted)
  • 1 teaspoon dried thyme
  • 1 teaspoon salt
  • 1/2 teaspoon pepper
  • 1/2 cup grated mozzarella cheese

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. Add the chopped onion, green bell pepper, and sweet potatoes. Cook for 8-9 minutes, stirring occasionally, until the vegetables begin to soften. Add minced garlic during the last minute or two and continue to sauté. Remove the cooked vegetables and spread them evenly in the prepared casserole dish.
  3. Cook the Sausage: In the same pan, sauté turkey sausage until fully cooked, breaking it into small pieces as it cooks. Once cooked, add the sausage to the vegetables in the casserole dish and mix well.
  4. Prepare the Egg Mixture: In a mixing bowl, whisk together eggs, milk, dried thyme, salt, pepper, and grated mozzarella cheese until smooth.
  5. Combine and Bake: Pour the egg mixture over the vegetable and sausage mixture in the casserole dish. Stir gently to distribute evenly. Bake in the preheated oven for 40-45 minutes until the center is firm. If the top browns too quickly, 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 serving to allow the flavors to set and make cutting easier.

Notes

  • Use plant-based milk to make the casserole dairy-free.
  • Cover the casserole with foil midway through baking if the top browns too fast.
  • This casserole can be refrigerated and reheated for quick meals.
  • Feel free to substitute turkey sausage with chicken or pork sausage if preferred.
  • Add fresh herbs like parsley or chives before serving for extra freshness.

Keywords: sweet potato casserole, egg casserole, turkey sausage breakfast, healthy breakfast casserole, baked egg dish