Which is the fattiest cut of steak? A guide to beef marbling
                                
                                
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                                    5 min read                                
                            
                                According to the Japanese Meat Grading Association (JMGA), top quality A5 Wagyu beef can have a marbled fat content of 45-60%, making it exceptionally fatty. While Wagyu is the highest, for a more common cut, the question 'Which is the fattiest cut of steak?' often leads to the classic ribeye due to its significant intramuscular fat.