Which of the following requires washing before cooking?

Washing fruits and vegetables before cooking is a crucial food safety practice to remove dirt, bacteria, and pesticides that may be present on their surfaces. Bell peppers, zucchini, and eggplant are all items that can have soil or contaminants on their skin, making it important to wash them thoroughly before preparation and cooking.

By washing bell peppers, you ensure that any harmful residues are eliminated, which promotes safety for consumption. Similarly, zucchini and eggplant can harbor bacteria and dirt, and washing them not only helps maintain hygiene but also improves the overall quality and taste of the dish being prepared.

In summary, all of the listed produce items require washing before cooking to ensure food safety and enhance the dining experience.