Add and mix all the sauce ingredients in a bowl. Set aside.
Add all the batter mix ingredients into a bowl and mix together. Set aside.
Beat two eggs in a small bowl and set aside.
Preheat oil to 325 F (160 C) in a frying pan at low heat.
Place mushrooms into sauce and immediately scoop out, and coat with batter mix.
Place coated mushrooms into egg wash and coat the second time with batter mixture.
Place mushrooms into fry pan and deep fry mushrooms until golden brown.
Sprinkle some sesame seeds and serve immediately as is or with some ketchup (tomato sauce).