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Why I Love This Recipe Next Level – Everyone loves a classic burger, but this French Onion Burger is truly something special and restaurant worthy!
Flavorful – We add onion soup mix (either homemade or a packet of store-bought) to the beef to give it the signature flavor.
The Toppings – Top the burger with the simplest caramelized onions and horseradish sauce. We’re obsessed! How to Make French Onion Burgers
Make Horseradish Aioli by mixing the ingredients together in a bowl at least 30 minutes (or up to 2 weeks) before assembling burgers.
(Courtesy of Lauren Allen)
Prepare Patties: Sprinkle the onion soup mix all over the ground beef and use your hands to gently mix it into the meat (be careful not to over-mix the meat). Divide into 6 equal portions and gently form into ½ inch thick patties that are wider than the burger buns (as they will shrink). Use your thumb to press an indentation into the center of each patty. Cover and set aside….