Most folks are clueless when it comes to this

Refrigerating basil can cause it to wilt and lose its vibrant flavor. Instead, treat basil like fresh flowers: place the stems in a glass of water and cover the leaves with a plastic bag. Store it on the counter for optimal freshness.
11. Melons: When to Refrigerate and When Not To
Whole melons should be stored at room temperature to allow them to ripen and develop their full flavor. Once cut, melons should be refrigerated to prevent spoilage and maintain freshness.
12. Bread: Why the Fridge is Not Your Friend
As mentioned earlier, refrigeration causes bread to stale faster due to starch crystallization. To keep bread fresh, store it at room temperature and consider freezing any excess for longer storage.
13. Oils: Which Ones Should Stay at Room Temperature
Most oils, such as olive oil and vegetable oil, should be stored at room temperature. Refrigeration can cause them to become cloudy and thicken. However, nut oils, like walnut oil, may benefit from refrigeration to prevent rancidity.
14. Stone Fruits: Peaches, Plums, and More
Stone fruits, like peaches and plums, should be ripened at room temperature. Refrigeration can halt the ripening process and affect their texture. Once ripe, they can be refrigerated to extend their shelf life for a few days.
15. Chocolate: Avoiding Bloom and Preserving Taste