hamburg steak:
200g minced beef
200g minced pork
1/2 onion, chopped
85g soft tofu
1 tbsp bread crumbs
pinch of salt and pepper
sauce:
3 tbsp soy sauce
3 tbsp mirin
3 tbsp sake
120g mixed mushrooms, shimeji and enoki mushrooms preferred
1 tsp sliced ginger
pinch of sugar
1 tbsp katakuriko potato starch, mixed with cold water




