01 -
Wash and dice the zucchini into about half-inch cubes. Roughly chop the spinach.
02 -
Heat olive oil in a skillet over medium heat. Add minced garlic and sauté for 1 minute. Add zucchini and cook until slightly softened, about 5-7 minutes.
03 -
In a large bowl, combine sautéed zucchini and garlic, spinach, feta, eggs, salt, and pepper. Mix gently.
04 -
Pour mixture into a greased baking dish. Sprinkle with Parmesan cheese (if using). Bake at 375°F (190°C) for 25-30 minutes, or until golden brown and bubbly.
05 -
Let the casserole rest for a few minutes before slicing and serving warm.
06 -
Serve and savor this delicious and healthy casserole!