2Place bread cubes in a medium bowl and pour melted butter over the bread. Add the zucchini, onion, garlic salt and egg; mix well. Transfer the mixture into a 9x13 inch baking dish and top with the cheese.
3Bake, covered, in preheated oven for 30 minutes. Then uncover the dish and bake for another 30 minutes.
Footnotes
Tip
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.