Try this homemade Light Spinach-Mushroom Casserole recipe the whole family will love. Made with mushrooms, olive oil, frozen spinach and egg whites. Eas…
This Light Spinach-Mushroom Casserole relies on simple, everyday ingredients such as mushrooms, chopped, olive oil, egg whites, slightly beaten and fat free sour cream. It comes together quickly and makes 4 servings, at about 442 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026