Gindaco's Takoyaki Copycat Recipe

Name: Gindaco's Takoyaki Copycat Recipe
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: Japanese
Ingredients: 3 tbsp Worcestershire sauce; 1 tbsp tomato ketchup; 1 tsp Japanese soy sauce (koikuchi shoyu); 1 tsp mirin; 1 tsp honey; ⅛ tsp dashi granules; 1 tbsp bonito flakes (katsuobushi) (powdered); 1 tbsp dried baby shrimp (hoshi ebi) (powdered, optional); 2 eggs; 1 tbsp Japanese mayonnaise (or regular mayonnaise); 600 ml water; 170 g all-purpose flour (plain flour in UK/AU); 1 tsp aonori (dried green seaweed powder); 1 tsp dashi granules; 100 g boiled octopus; 1 Japanese leek (naganegi) (white part, thinly sliced); 3 tbsp red pickled ginger (benishoga); 30 g tempura flakes (tenkasu); aonori (dried green seaweed powder); bonito flakes (katsuobushi); Japanese mayonnaise (optional)