Spinach and Mushroom Egg Casserole

Ingredients:

4 cups fresh spinach leaves

1 cup mushrooms, sliced

1 red bell pepper, diced

1 small onion, diced

1/2 cup feta cheese, crumbled

8 large eggs

1/4 cup milk

1/2 teaspoon salt

1/4 teaspoon black pepper

1/4 teaspoon garlic powder (optional)

1 tablespoon olive oil

Instructions:

Prepare the Vegetables:

Preheat the oven to 180°C (350°F).

Heat olive oil in a large skillet over medium heat.

Add the diced onion and red bell pepper, and sauté until softened, about 5 minutes.