This zucchini casserole with bread cubes, onion, and Cheddar is very easy to prepare for a deliciously cheesy vegetable side dish. Ingredients 4 slices bread, cubed ¼ cup melted butter 2 cups cubed zucchini 1 large onion, finely chopped 1 large egg, beaten 1 teaspoon garlic salt 2 cups shredded Cheddar cheese Directions Step 1: Gather all ingredients. Preheat Pizzello oven to 350℉ (175℃). Step 2: Place bread cubes in a medium bowl and pour melted butter over top. Add zucchini, onion, egg, and garlic salt; mix well. Step 3: Transfer the mixture into a 9x13-inch baking dish and top with cheese. Step 4: Cover and bake in the preheated Pizzello oven for 30 minutes. Uncover the dish and bake for another 30 minutes.
