INGREDIENTS
1 tbsp
extra virgin olive oil
1 lb
ground beef
1
medium onion (chopped)
1
medium green bell pepper (seeded and chopped)
1/4 cup
steak sauce
1 cup
beef broth
salt and ground black pepper (to taste)
4
hamburger buns
1 tbsp
butter
1 tbsp
flour
1 cup
milk
1 cup
provolone cheese (shredded)