Which Firehouse Sub Has the Most Protein?
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                According to the official Firehouse Subs nutrition calculator, the Large Cajun Chicken sub boasts an impressive 83 grams of protein. This makes it the clear winner for those wondering which Firehouse sub has the most protein.