How to tell if butter is safe?: A definitive guide to checking for freshness
                                
                                
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                                    4 min read                                
                            
                                According to the USDA, refrigerated butter can last for one to three months, but proper storage and keen observation are crucial. This guide explains how to tell if butter is safe to eat by detailing the key sensory indicators of spoilage, including changes in appearance, smell, and taste.