Try this homemade Scallop Au Gratin Casserole recipe the whole family will love. Made with bay scallops, gratin potatoes, margarine and frozen broccoli.…
This Scallop Au Gratin Casserole relies on simple, everyday ingredients such as frozen broccoli, cream of mushroom soup, salt and pepper (to flavor) and milk. It comes together quickly and makes 4 servings, at about 147 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