Favoreats
Favoreats LLC
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INGREDIENTS
1 tbsp
olive oil
4 cups
onion, sliced
1/2 cup
water
4
buns, cut in half and lightly toasted
4
slices cheese, cheddar, swiss or provolone
1 lb
roast beef, warm and thinly sliced
1/4 cup
gravy
2 tbsp
mayonnaise
1 tbsp
horseradish
1 tbsp
grainy mustard
1 handful
arugula (optional)