Spinach feta casserole –Looking for a delicious and healthy breakfast option that you can prepare ahead of time? This Make-Ahead Spinach and Feta Egg Casserole might just be the perfect solution! It’s packed with nutrients and flavor, making it a fantastic way to start your day. Plus, it’s simple to make and easy to customize based on your taste preferences.
Make-Ahead Spinach and Feta Egg Casserole
This casserole is not only nutritious but also versatile. You can enjoy it hot out of the oven or save it for later. It’s great for meal prep and can last in the fridge for several days, so you can have a hearty breakfast ready to go in the morning.

Ingredients
- 10 large eggs
- 1 cup milk (or non-dairy alternative)
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 cup fresh spinach, chopped
- 1 cup feta cheese, crumbled
- 1/2 cup diced onion
- 1/2 cup diced bell pepper (any color)
- 1/2 teaspoon garlic powder (optional)
- 1 tablespoon olive oil
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish with a little olive oil.
- In a large bowl, whisk together the eggs, milk, salt, pepper, and garlic powder until fully blended.
- In a skillet over medium heat, add olive oil and sauté the onions and bell peppers until they are soft, about 5 minutes.
- Stir in the chopped spinach and cook until wilted, another 2-3 minutes. Remove from heat.
- Add the cooked vegetables to the egg mixture along with the crumbled feta cheese. Mix well to combine.
- Pour the mixture into the prepared baking dish and spread it out evenly.
- Bake in the preheated oven for 30-35 minutes, or until the casserole is set and lightly golden on top.
- Remove from the oven and let it cool for a few minutes before slicing. Serve warm or refrigerate for later use.
This Make-Ahead Spinach and Feta Egg Casserole is not only satisfying but also an excellent way to incorporate veggies into your breakfast. Enjoy it on its own or serve it with some fresh fruit for a complete meal!