- 2 tablespoons unsalted butter
- 1 large zucchini, chopped
- 1 large white onion, chopped
- 4 tomatoes, chopped
- 1 large green bell pepper, chopped
- dried Italian seasoning to taste
- 1 (8 ounce) package shredded mozzarella cheese
- Preheat oven to 350 degrees F (175 degrees C). Lightly grease a medium casserole dish.
- Melt the butter in a skillet over medium heat. Stir in the zucchini and onion, and cook 5 minutes, or until onion is golden brown.
- In the prepared casserole dish, mix the zucchini, onion, tomatoes, and green pepper. Season with Italian seasoning, and top with cheese.
- Bake 25 minutes in the preheated oven, or until cheese is melted and bubbly.