INGREDIENTS
10 tbsp
unsalted butter, divided
1
onion, halved and sliced
1
package (12 rolls) Hawaiian sweet rolls
12
slices provolone cheese
1 lb
sliced roast beef (found in the sandwich meats aisle)
8 tbsp
unsalted butter
1
package McCormick Au Jus Gravy Mix
1 tsp
Worcestershire sauce
1 tbsp
toasted sesame seeds
3/4 tsp
garlic powder
1/2 tsp
onion powder