Try this homemade Marilyn'S Summer Squash Casserole recipe the whole family will love. Made with onion, cream of chicken soup, sour cream and carrots. E…
This Marilyn'S Summer Squash Casserole relies on simple, everyday ingredients such as chopped onion, sour cream, shredded carrots and margarine, melted. It comes together quickly and makes 4 servings, at about 311 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026