Step 1

Combine ketchup, Worcestershire sauce, honey, and oyster sauce in a bowl and mix until well combined. Set aside.

Step 2

Preheat oven 425F/230C.

Step 3

In a medium sized, mixing bowl, combine rice flour, tapioca starch, baking powder, and white pepper and whisk together.

Step 4

Mix the room temperature water with the dashi granules until they have dissolved.

Step 5

Add the dashi water solution to the dry ingredients and whisk until well mixed and batter is fairly smooth.

Step 6

Add chopped napa cabbage, protein of your choice, chopped spring onions, and eggs to the bowl containing the batter. Mix very well.

Step 7

Grease muffin tin generously with oil. Scoop mixture into muffin cups, dividing mixture evenly. Flatten filling down slightly.

Step 8

Bake for 15 minutes until edges are browned.

Step 9

Serve immediately and garnish with okonomiyaki sauce, Kewpie mayonnaise, bonito flakes, furikake, chopped scallions, sesame seeds, etc.