Ingredients
500 g ground beef
1 cup breadcrumbs
1 small onion (finely chopped)
2 cloves garlic (minced)
1 egg
½ cup milk
3 tbsp ketchup
1 tbsp soy sauce
1 tsp salt
½ tsp black pepper
Topping
3 tbsp ketchup
1 tbsp brown sugar
1 tsp mustard (optional)