In a large bowl, use a whisk to mix okonomiyaki flour and water.
Add green cabbage and green onion slices to batter. Quickly toss to coat.
Add eggs to batter and mix to coat all items.
Preheat a non-stick frying pan on the stove on medium heat.
Divide cabbage batter into three parts in large bowl.
Drop one part of the cabbage batter (1/3 of the batter) into the frying pan and with a rubber spatula, gently flatten into a 10” pancake about 3/4” thickness. Cook for 3 minutes (will be slightly brown and start to hold together.
Use two spatulas to flip the okonomiyaki over. Two spatulas help support to ensure it does not break.
Cook other side of okonomiyaki for 3 minutes (browned). Meanwhile, lay 3-4 slices of thinly sliced pork belly (unseasoned) or bacon onto the cooked side.
Flip the okonomiyaki back, onto the pork belly side and cook for 2-3 minutes until browned.
Flip okonomiyaki onto a serving plate.
Toppings:
Gently squeeze okonomaki sauce along the outer top edge of the okonomiyaki.
Generously fill the inside of the sauce with bonito flakes and flaked seaweed
Squeeze Japanese mayonnaise across the top.
Enjoy and share the okonomiyaki hot! Its delicious!