INGREDIENTS
1 lb
ground beef
2 tbsp
butter
1
yellow onion
1 tbsp
garlic
1
green bell pepper
8 oz
baby bella mushrooms
2 tbsp
ketchup
1 tbsp
worcestershire sauce
1/2 tsp
kosher salt
1/2 tsp
ground pepper
2 1/2 cups
beef broth
8 ozs
shell pasta
2 cups
shredded cheese