Originally posted March 27, 2017. Updated April 28, 2026 for content and clarity. Typical burgers with a french onion soup twist!  French onion mix added to the burger, and topped with a heap of caramelized onions and melty gooey mozzarella cheese, all on a toasty potato bun! – – These burgers are a definite must-make again!  Considering there are only a few more steps than making a plain burger, they were amazingly delicious!  Now I use this pre-boxed lipton french onion soup mix (affiliate link), so it’s not entire “from scratch”.  But it definitely saves some work, although if you’re a “from…