Original Japanse Okonomiyaki Osaka Style, vegan/vegetarian version. 日式大阪燒 (全素版).

Ingredients
Batters,
100g all purpose flour
1/4 tsp salt
1/4 tsp sugar
1/4 tsp baking powder
1 tbsp. (2") grated yamaimo
200g cabbage
20g mushroom
20g egg replacer
150ml water
2" Kombu

Toppings,
some Japanese pickled ginger
1 stalk of green onion
dry seaweeds (optional)

Sauce,
Okonomiyaki sauce
Japanese Mayo (optional)