Hamburger Patties, Better Than A Restaurant?

• 400 grams Ground mixture of pork and beef
• 1 Large egg
• 1 dash Pepper
• 2 tbsp Yakiniku (Japanese BBQ) sauce
• 1/2 Onion
• 40 grams Panko
• 150 ml Milk
• 80 grams Ketchup
• 2 tbsp Soft light brown sugar
• 1 tsp Grated garlic
• 1 tbsp Soy sauce
• 200 ml Water

1. Soak the panko in the milk.
2. Mince the onion.
3. Put everything from Step 1 and ingredients into a bowl and mix (you don't have to knead it too much).
4. Heat some oil in a frying pan on high heat.
5. While it is heating up, divide the mixture into 5, and form round patties (the patties will be quite soft).
6. Cook over high heat for 1-2 minutes, and then flip over.
7. Cook for another 10 minutes on a low to medium heat.
8. Put the ingredients for the sauce into a small saucepan, and start heating.
9. Once it has reduced and thickened, the sauce is ready.
10. Serve the hamburger patty on a plate, and pour the sauce over it.
11. Done.

ground mixture, egg, pepper, yakiniku, onion, milk, ketchup, light brown sugar, garlic, soy sauce, water

Taken from cookpad.com/us/recipes/154956-hamburger-patties-better-than-a-restaurant (may not work)