INGREDIENTS
1 1/2 lb
ground beef
1 1/2 cups
bread crumbs, seasoned
1 tbsp
ketchup
2 tsp
dry mustard
1 tbsp
worcestershire sauce
1 tbsp
powdered beef base
salt
black pepper
1 tbsp
butter
1 tbsp
olive oil
1
large onion, halved and thinly sliced
2 cups
beef broth
1 tbsp
ketchup
1 tbsp
worcestershire sauce
black pepper