Favoreats
Favoreats LLC
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INGREDIENTS
1 1/3 tbsp
Rosemary, fresh
2 cups
Yellow onions
4 cups
Beef broth, low-sodium
1 tbsp
Balsamic vinegar
1 tbsp
All-purpose flour
1/2 tsp
Black pepper, ground
1/2 tsp
Kosher salt
8
slices White or wheat sandwich bread
1/4 cup
Butter
1 cup
Swiss cheese