Brown beef; drain. Add onion and cut up zucchini. Cook until barely tender. ... well. Pour into casserole. Sprinkle grated cheese over ... too brown, then cover.
Brown and drain hamburger and put all of this in layers. If zucchini is small, don't peel. Use ... to grease the casserole dish! Bake in a 350 ... about 40 minutes covered.