INGREDIENTS
1 1/2
lbs Ground beef
2 cloves
Garlic
1
Onion, large thin
1
Egg
2 cups
Beef stock
3 tbsp
Dijon mustard
3 tbsp
Ketchup
2 tbsp
Worcester sauce
1/4 cup
All purpose flour
1/2 tsp
Pepper
1/2 tsp
Salt
1/2 cup
Panko breadcrumbs
4 tbsp
unsalted butter, unsalted