how long to cook egg casserole
Directions See How It's Made. 1  Preheat the oven to 375 degrees. 2  Heat a large skillet over medium heat. 3  Add the spinach.  Spread the spinach mixture evenly on the bottom of the prepared baking 1  dish. Bake until the egg whites are set, about 25 minutes.  Let the casserole sit for about 5 minutes, and then cut into pieces and 1  serve. Submit a Correction.