Bake this irresistible Cornbread Casserole at home. Made with cornbread mix, summer squash, oil and cheese. Easy step-by-step instructions included.
This Cornbread Casserole relies on simple, everyday ingredients such as summer squash, thinly sliced, oil, cheese, shredded and onion, finely chopped. It comes together quickly and makes 4 servings, at about 380 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026