INGREDIENTS
1 lb
lean ground beef
2 tbsp
butter
1
small yellow onion (diced)
8 oz
brown mushrooms (minced)
2 tbsp
ketchup
1 tbsp
Worcestershire sauce
1/2 tsp
Kosher salt
1/2 tsp
fresh ground black pepper
3
bell peppers (split in half and de-seeded through the stem)
8 oz
shredded cheddar cheese (divided)
1 cup
beef broth