Try this homemade Hamburger Mushroom Casserole recipe the whole family will love. Made with biscuits, onion, cream of mushroom and olives. Easy step-by-…
This Hamburger Mushroom Casserole relies on simple, everyday ingredients such as biscuits, chopped onion, sliced stuffed olives and hamburger. It comes together quickly and makes 4 servings, at about 541 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