Try this homemade Mellow Yellow Spaghetti Squash Casserole recipe the whole family will love. Made with polenta, thyme, white onions and garlic. Easy st…
This Mellow Yellow Spaghetti Squash Casserole relies on simple, everyday ingredients such as soft polenta, thyme or rosemary, white onions and garlic. It comes together quickly and makes 4 servings, at about 388 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