【Ingredients / serves 1】 ※Okonomiyaki flour (50g 1.7oz) Cabbage (100g 3.5 oz) Green Onion (30g 1oz) Japanese Mountain Yam (20g 0.7oz) One Egg Water (80ml 1/3 of a cup) Okonomiyaki Sauce Japanese Mayonnaise ※ How to make Okonomiyaki flour: Flour (50g 1.7 oz) Bonito Stock Powder (1 tsp) Baking Powder (1/8 tsp) A sprinkle of Salt