Try this homemade Yellow Squash Casserole recipe the whole family will love. Made with squash, onion, mushroom soup and sour cream. Easy step-by-step in…
This Yellow Squash Casserole relies on simple, everyday ingredients such as medium size squash, small onion, chopped, mushroom soup and small carton sour cream. It comes together quickly and makes 4 servings, at about 51 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