Prep vegetables. You can use whichever kind you like. Also good are potato, sweet potato, carrots and bell peppers.
Stir up tempura dipping sauce and set aside.
For batter, gently stir dry ingredients and add wet. Do not mix too hard.
Heat a few inches of peanut oil heated to 325F in a deep skillet or wok. Since I don't set quantity, measure oil before heating, then when oil is cooled after dinner, measure what's left and find the difference. Frying does not take up all the oil.
Dip ingredients to coat and let excess drip off.
Fry each for a few minutes on each side until golden and drain.