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Easy Sweet Potato Egg Casserole

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A hearty, wholesome breakfast casserole with sweet potatoes, turkey sausage, and fluffy eggs — perfect for meal prep or weekend brunch.

  • Author: Emma
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 4 servings
  • Category: Breakfast, Brunch, Meal Prep
  • Method: Baked, Oven
  • Cuisine: American
  • Diet: Gluten Free

Ingredients

2 tablespoons avocado oil

1/2 large yellow onion, chopped

1 green bell pepper, chopped

5 cups cubed sweet potatoes

3 garlic cloves, minced

1 pound turkey sausage

10 eggs

1/2 cup milk (or plant-based alternative)

1 teaspoon dried thyme

1 teaspoon salt

1/2 teaspoon black pepper

1/2 cup grated mozzarella cheese

Instructions

Preheat Oven: Set oven to 375°F (190°C).

Sauté Veggies: In a large skillet, heat avocado oil over medium heat. Add onion, bell pepper, sweet potatoes, and garlic. Cook for 8–10 minutes until slightly softened.

Cook Turkey Sausage: In the same pan or separately, brown the turkey sausage until fully cooked. Drain if necessary.

Mix Egg Base: In a large bowl, whisk together eggs, milk, thyme, salt, and pepper.

Combine: In a greased 9×13 casserole dish, layer the cooked sweet potatoes and veggies with the turkey sausage. Pour egg mixture evenly over the top.

Top & Bake: Sprinkle mozzarella cheese on top. Bake for 30–35 minutes, or until eggs are set in the center.

Serve: Let cool slightly before slicing. Serve warm or store for later.

Notes

Swap turkey sausage for veggie sausage or omit for vegetarian version.

Add spinach or mushrooms for extra greens.

Great for breakfast meal prep — stores in fridge up to 4 days.

Dairy-free? Use almond milk and a plant-based cheese alternative.