Tempura batter mix (天ぷら粉) is very convenient when you need to make a few shrimp tempura for Nabeyaki Udon. You mix the tempura batter mix with cold water and it’s ready to use. The tempura texture is very crispy.
If you like to make it from scratch, refer to homemade tempura batter recipe on Shrimp Tempura or Vegetable Tempura.