→ Main
01 -
2 big yellow onions, sliced thin
02 -
3 teaspoons of avocado oil
03 -
1 pound of ground chuck, 80/20 ratio
04 -
5 tablespoons of butter, unsalted
05 -
2 teaspoons of apple cider vinegar
06 -
6 slices of rye bread, thick cut
07 -
6 ounces of Swiss cheese, shredded