Is there fat in mutton liver? Nutritional facts and more
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                According to nutritional data from the University of Rochester Medical Center, a one-ounce serving of raw lamb liver contains just 1.42 grams of total fat. The question, 'Is there fat in mutton liver?', is commonly asked by those curious about this nutrient-dense organ meat's place in a healthy diet.