INGREDIENTS
1 lb
ground beef
1 tsp
salt
1/2 tsp
black pepper
2 tbsp
unsalted butter
1
small onion
1
green bell pepper
1/4 tsp
garlic powder
1 tbsp
worchestershire sauce
1/2 cup
beef broth
1 tbsp
cornstarch
4
slices white american or provolone cheese
4
rolls