1. Combine breadcrumbs and evaporated milk and wait 5 minutes so the breadcrumbs absorb the milk.
2. Add ground beef, onions, garlic, soy sauce, Worcestershire sauce, salt and pepper, and mix until fully incorporated.
3. Make 6oz balls and flatten them out into patties.
4. Heat 1 tbsp on medium heat and pan fry the patty for 3-5 minutes on each side.
5. Heat butter in pan on medium heat until bubbling and sauté mushrooms for 5 minutes.
6. Add flour and cook it out for a few minutes to get rid of the raw flour taste.
7. Pour in beef stock and simmer until thick (8-10 minutes).
8. Season with soy sauce, Worcestershire sauce, salt and pepper.
9. Serve burger steak with hot rice and pour the mushroom gravy on top.
