Try this homemade San Antonio Squash Casserole recipe the whole family will love. Made with butter, yellow onion, American cheese and green chiles. Easy…
This San Antonio Squash Casserole relies on simple, everyday ingredients such as diced yellow onion, sliced yellow squash, cubed american cheese and canned diced green chiles. It comes together quickly and makes 4 servings, at about 617 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