INGREDIENTS
2 1/8 lb
Ground beef, lean
16 1/8 oz
Brown mushrooms
1
Green bell pepper, small
1
Yellow onion, small
1 cup
beef broth
1 tbsp
worcestershire sauce
2 tbsp
ketchup
1/2 tsp
fresh ground black pepper, fresh ground
1/2 tsp
kosher salt
1 tbsp
cornstarch
6
Hamburger buns, toasted
16 oz
Provolone cheese, slices