How to make roasted zucchini with vegetables Ingredients: 8 Zucchini 1 Small onion chopped Tablespoon crushed garlic 1 Red bell pepper, diced 1 Yellow bell pepper, diced 1 Diced tomato 2 Tablespoons chopped parsley 2 Tablespoons olive oil (for greasing a baking tray) ¼ Cup Parmesan cheese ¼ Teaspoon salt and black pepper Method: Use a deep bowl to mix all ingredients