INGREDIENTS
1 1/4
lbs Roast beef
3 cloves
Garlic
1
Onion, large
1 14 ounce can
Beef stock
2 tsp
Dijon mustard
1 tbsp
Horseradish, prepared
1/3 cup
Mayonnaise
1
Black pepper, Freshly ground
1 tbsp
Flour
1
Kosher salt
2 tbsp
Olive oil
1
bag King's hawaiian original sweet rolls
1
Butter
3/8 cup
Butter
10
slices Swiss cheese
1 dash
Cooking sherry