Japanese Hamburger Steak with Tomato Sauce – AYANA GOHAN

Ingredients

• 250 g minced meat (cool in the refrigerator until used)
• 2 g salt (0.8% of the amount of minced meat)
• 100 g onion (thinly chopped)
• 6 ½ tbsp Panko bread crumbs (raw)
• 2 tbsp milk
• 1 egg (M size)
• ⅛ tsp black pepper
• 3 tbsp red wine
• 3 tbsp tomato ketchup
• 1 tbsp Japanese Worcestershire-style sauce
• 10 butter
• salad oil