Try this homemade Pepper Casserole recipe the whole family will love. Made with green sweet pepper, red sweet pepper, onion and Cream of Mushroom soup. …
This Pepper Casserole relies on simple, everyday ingredients such as green sweet pepper, red sweet pepper, large onion and cream of mushroom soup. It comes together quickly and makes 4 servings, at about 336 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