Butter: While butter can be left out for short periods, it's best stored in the fridge to prevent it from spoiling and developing an off flavor.
Opened Condiments: Condiments like ketchup, mustard, mayonnaise, and barbecue sauce should be refrigerated after opening to maintain freshness and prevent spoilage.
Maple Syrup: Once opened, maple syrup should be stored in the fridge to prevent mold growth and maintain its quality.
Eggs: In many countries, eggs are sold refrigerated, and it's recommended to store them in the fridge to prevent the risk of salmonella contamination and to extend their shelf life.
Nuts and Seeds: Nuts and seeds contain natural oils that can turn rancid if left at room temperature for too long. Storing them in the fridge helps maintain their freshness.
Natural Peanut Butter: Natural peanut butter without added preservatives should be stored in the fridge to prevent the oils from separating and to maintain its texture.
Baked Goods: Baked goods like bread, cakes, and pastries tend to last longer when stored in the fridge, especially in warmer climates where they may spoil more quickly at room temperature.
Fresh Herbs: Fresh herbs like cilantro, parsley, and basil stay fresher longer when stored in the fridge, either in a jar with water or wrapped in damp paper towels.