Try this homemade Microwave Zucchini Casserole recipe the whole family will love. Made with zucchini, tomatoes, Cheddar cheese and onion. Easy step-by-s…
This Microwave Zucchini Casserole relies on simple, everyday ingredients such as or 5 small zucchini, (15 oz.) can diced tomatoes, cheddar cheese and small onion, chopped. It comes together quickly and makes 4 servings, at about 269 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