When Not to Eat Parmesan Cheese: A Guide to Spoilage and Safety
                                
                                
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                                    6 min read                                
                            
                                According to research, while hard cheeses like Parmesan have a longer shelf life, they are still susceptible to spoilage. Knowing when not to eat Parmesan cheese is a critical skill for any home cook, as improper consumption can lead to allergic reactions or foodborne illnesses.