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Easy Sweet Potato, Spinach & Feta Breakfast Casserole


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  • Author: Chloe Green
  • Total Time: 55 minutes
  • Yield: 6-8 servings 1x

Description

This breakfast casserole is a wholesome, flavorful way to start your morning. Sweet potatoes, fresh spinach, and tangy feta cheese come together with eggs and seasonings to create a hearty, nutritious dish that’s perfect for weekends, brunches, or meal prep. It’s easy to make, visually appealing, and full of vibrant flavors that the whole family will enjoy.


Ingredients

Scale
  • 2 medium sweet potatoes, peeled and diced

  • 2 cups fresh spinach, chopped

  • 1 cup crumbled feta cheese

  • 6 large eggs

  • 1 cup milk (or plant-based alternative)

  • 1 small onion, finely chopped

  • 2 cloves garlic, minced

  • 1 teaspoon salt

  • ½ teaspoon black pepper

  • ½ teaspoon paprika

  • ½ teaspoon dried oregano

  • 2 tablespoons olive oil

  • Optional: fresh herbs for garnish (parsley, chives, or thyme)


Instructions

  • Preheat oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.

  • Heat olive oil in a skillet over medium heat. Add onion and garlic and sauté for 3–4 minutes until soft.

  • Add diced sweet potatoes and cook for 8–10 minutes until slightly softened, stirring occasionally.

  • Add chopped spinach and cook for 2–3 minutes until wilted. Remove from heat and let cool slightly.

  • In a large bowl, whisk together eggs, milk, salt, black pepper, paprika, and oregano.

  • Stir in the cooked sweet potato, spinach, and onion mixture.

  • Fold in crumbled feta cheese until evenly distributed.

  • Pour mixture into prepared baking dish and spread evenly.

  • Bake for 35–40 minutes until set in the center and lightly golden on top.

  • Cool for 5–10 minutes before slicing. Garnish with fresh herbs if desired.

  • Serve warm and enjoy.

Notes

  • Cut sweet potatoes into uniform cubes for even cooking.

  • Fresh spinach works best; if using frozen, drain well.

  • Cheese variations: goat cheese or ricotta can be used instead of feta.

  • Make-ahead: assemble the casserole the night before and refrigerate until ready to bake.

  • Optional: add bell peppers, mushrooms, or zucchini for extra veggies.

  • Freezing: bake first, cool, portion, wrap, and freeze for up to 2 months. Reheat in oven or microwave.

  • Prep Time: 15 minutes
  • Cook Time: 40 minutes