Nutrition and Food Safety: Is 4 year old frozen ground beef safe to eat?
                                
                                
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                                    7 min read                                
                            
                                According to the USDA Food Safety and Inspection Service, frozen food stored continuously at 0°F (-18°C) or colder is safe to eat indefinitely. So, while a 4-year-old frozen ground beef might be technically safe from a bacterial standpoint, its quality will likely be severely compromised.