Favoreats
Favoreats LLC
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INGREDIENTS
1 tbsp
extra-virgin olive oil
1
Vidalia onion, thinly sliced
1/4 cup
beef broth
1 tbsp
balsamic vinegar
Kosher salt and freshly ground black pepper
1 1/2 lb
ground chuck
2 tbsp
grated onion
1 tbsp
dry French onion soup mix
1 cup
grated Gruyere
4
potato hamburger buns, toasted
1 cup
arugula