Try this homemade String Bean Casserole recipe the whole family will love. Made with string beans, cream of mushroom soup, onions and Colby cheese. Easy…
This String Bean Casserole relies on simple, everyday ingredients such as cream of mushroom soup, toasted onions (canned) and shredded colby cheese. It comes together quickly and makes 4 servings, at about 339 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