Seafood Pancakes

seafood pancake ingredients:
For making 3 seafood pancakes
shrimps: 150 g
squid tentacles: 50 g
bay scallops: 50 g
ginger paste: 10 g
White pepper powder 1 g 1/4 teaspoon
salt: 2 g 1/4 teaspoon
regular soy sauce: 3 g 1/2 teaspoon
Flour to coat seafood: 10 g 1 tablespoon
all purpose flour: 200 g 1 +1/3 cup
Green onions: 3
Baking powder: 3 g 1 teaspoon
egg: 1
Oil: 12 g 1 tablespoon
water: 250 g 1 cup