1-1-1 Tempura Batter

This is a straightforward tempura batter formula, perfect for coating onion rings, jalapeño poppers, and other items for frying. The recipe is famously easy to recall and scale, using a simple 1-1-1 ratio of core ingredients. Once you have tried it, you will likely remember it without needing to look it up again. It yields about 1 1/2 cups of batter and comes together in just 5 minutes.