Try this homemade Mixed Vegetable Casserole recipe the whole family will love. Made with onion, mixed vegetables, cream of celery soup and mayonnaise. E…
This Mixed Vegetable Casserole relies on simple, everyday ingredients such as small onion, mixed vegetables, drained, cream of celery soup and mayonnaise. It comes together quickly and makes 4 servings, at about 430 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