01 -
1 lb ground beef (500g).
02 -
1/2 onion, grated.
03 -
1/2 cup panko breadcrumbs.
04 -
1 garlic clove, minced.
05 -
1 egg.
06 -
2 tbsp ketchup.
07 -
1 beef bouillon cube.
08 -
1/2 tsp Worcestershire sauce.
09 -
3 tsp dijon mustard.
10 -
5 oz mushrooms (150g).
11 -
2 tbsp butter.
12 -
3 tbsp flour.
13 -
2 cups beef broth.
14 -
Extra Worcestershire and mustard for gravy.