What is the least fattening breakfast at McDonald's?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to nutrition experts, a simple and protein-rich meal is key to a healthy breakfast, even at a fast-food restaurant. For those wondering what is the least fattening breakfast at McDonald's, the Fruit 'N Yogurt Parfait or the Egg White Delight McMuffin are often cited as the top contenders due to their lower calorie counts. However, the 'least fattening' choice depends on more than just calories, including fat, protein, and customization options.