INGREDIENTS
1 tbsp
extra-virgin olive oil
1 lb
lean ground beef
1
medium bell pepper, diced
1
large yellow onion, diced
1 tbsp
Worcestershire sauce
1/2 cup
beef stock
Salt and pepper
CHEESE SAUCE:
1 tbsp
butter
1 1/2 tbsp
four
1 cup
milk (any kind but skim)
1 cup
shredded cheddar cheese
4
submarine rolls, split in half and toasted