Try this homemade Fiesta Squash Casserole recipe the whole family will love. Made with yellow squash, onions, Velveeta cheese and cream of mushroom soup…
This Fiesta Squash Casserole relies on simple, everyday ingredients such as to 6 yellow squash, sliced, medium onions, sliced, velveeta cheese, cubed and picante sauce. It comes together quickly and makes 4 servings, at about 477 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