3 tips for making the perfect burger at home, according to the top butcher expert in America

• Butcher expert Pat LaFrieda told Business Insider how to make the perfect burger at home. 
• LaFrieda never adds lettuce to his burger, and he loves using halved grape tomatoes for flavor. 
• He prefers brioche buns and only adds a small dollop of mayonnaise for the sauce. 

Pat LaFrieda is behind some of the most famous burgers in the world. But when he's whipping up burgers at home, he likes to keep things simple.