Try this homemade Broccoli-Mushroom Casserole recipe the whole family will love. Made with fresh broccoli, butter, fresh mushrooms and mayonnaise. Easy …
This Broccoli-Mushroom Casserole relies on simple, everyday ingredients such as butter, mayonnaise, butter, soft (1 stick) and half and half. It comes together quickly and makes 4 servings, at about 1223 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