The answer to whether it's okay to store a cake at room temperature overnight depends on various factors, including the ingredients, frosting, and ambient conditions. Generally, if the cake does not contain perishable fillings or frosting that require refrigeration, it should be safe to store at room temperature overnight. However, there are some considerations to keep in mind:
Ingredients: Cakes made with ingredients that spoil quickly, such as dairy products or fresh fruits, should be refrigerated. If your cake has perishable fillings, it's best to store it in the refrigerator.
Frosting: Certain types of frostings, like cream cheese or whipped cream, are more prone to spoiling and should be refrigerated. If your cake has a frosting that requires refrigeration, it's advisable to keep the cake in the fridge.
Ambient conditions: Room temperature varies depending on the environment, and factors such as humidity and temperature fluctuations can impact the cake's quality and shelf life. If the room is excessively hot or humid, it's safer to refrigerate the cake to prevent spoilage or the growth of bacteria.
Duration: Storing a cake at room temperature overnight is generally acceptable, especially if it meets the above criteria. However, if you need to store the cake for a longer period, refrigeration is a better option to maintain freshness.
To summarize, if your cake does not contain perishable ingredients or frostings, and the room conditions are cool and dry, it is generally safe to store the cake at room temperature overnight. However, when in doubt or if you have concerns about the cake's freshness and safety, it's best to err on the side of caution and refrigerate it.