Try this homemade Chicken Avocado Casserole (With Mushrooms) recipe the whole family will love. Made with butter, olive oil, chicken breast halves and f…
This Chicken Avocado Casserole (With Mushrooms) relies on simple, everyday ingredients such as butter, divided 3 ways, olive oil, flour and yogurt. It comes together quickly and makes 4 servings, at about 475 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