Tempura batter is a light and crispy coating perfect for frying vegetables and seafood. This traditional Japanese recipe creates a delicate texture that enhances the natural flavors of the ingredients without overpowering them. The secret lies in the simplicity and the use of ice-cold water to keep the batter light and airy.
All the ingredients in this recipe are commonly found in most households. However, if you don't have all-purpose flour or large eggs on hand, they are readily available at any supermarket. The key ingredient to note is the ice-cold water, which ensures the batter remains light and crispy.

Ingredients For Tempura Batter Recipe
All-purpose flour: This is the base of the batter, providing structure and a light, crispy texture.
Ice-cold water: Keeps the batter light and airy, essential for achieving the perfect tempura texture.
Large egg: Adds richness and helps bind the batter together.
Technique Tip for This Recipe
To achieve the perfect tempura texture, ensure that your water is ice-cold. This helps to create a light and crispy coating. Additionally, when sifting the flour into the egg and water mixture, do it gently and avoid overmixing. The batter should remain lumpy to maintain its airy quality.
Suggested Side Dishes
Alternative Ingredients
all-purpose flour - Substitute with rice flour: Rice flour provides a lighter, crispier texture that is more traditional in tempura batter.
all-purpose flour - Substitute with cornstarch: Cornstarch can make the batter extra crispy and is a good gluten-free option.
ice-cold water - Substitute with club soda: Club soda adds extra lightness and airiness to the batter due to its carbonation.
ice-cold water - Substitute with beer: Beer can add a unique flavor and also helps to create a light, crispy texture.
large egg - Substitute with aquafaba: Aquafaba (the liquid from a can of chickpeas) can mimic the binding properties of eggs and is a good vegan alternative.
large egg - Substitute with chia seeds: Mixing chia seeds with water creates a gel-like consistency that can act as a binder in the batter.
Other Alternative Recipes
How to Store or Freeze Your Dish
To store your tempura batter in the refrigerator, transfer it to an airtight container. This will keep it fresh and prevent any unwanted flavors from seeping in. The batter can be stored for up to 1 day, but for the best results, use it as soon as possible.
If you need to store the batter for a longer period, freezing is an option. Pour the tempura batter into a freezer-safe container, leaving some space at the top for expansion. Seal the container tightly to avoid freezer burn. The batter can be frozen for up to 1 month.
When you're ready to use the frozen batter, transfer it to the refrigerator to thaw overnight. Avoid thawing at room temperature as this can affect the texture and consistency.
Once thawed, give the batter a gentle stir to reincorporate any separated ingredients. Be careful not to overmix, as the batter should remain slightly lumpy for the best tempura texture.
If the batter seems too thick after thawing, you can add a small amount of ice-cold water to achieve the desired consistency. Stir gently to combine.
For optimal results, always use the batter immediately after preparation or thawing. This ensures that your vegetables and seafood will have the perfect crispy coating when fried.
Remember, the key to a light and airy tempura is maintaining the cold temperature of the batter. Keep it chilled until just before frying to achieve that signature crunch.
How to Reheat Leftovers
Preheat your oven to 375°F (190°C). Place the leftover tempura on a baking sheet lined with parchment paper. Bake for about 10-15 minutes until crispy. This method helps retain the crunchiness without making the batter soggy.
Use an air fryer for a quick and efficient reheating. Set the air fryer to 350°F (175°C) and place the tempura in a single layer. Heat for 5-7 minutes, shaking the basket halfway through to ensure even crisping.
For a stovetop method, heat a non-stick skillet over medium heat. Add a small amount of vegetable oil and place the tempura in the skillet. Cook for 2-3 minutes on each side until heated through and crispy.
If you prefer using a microwave, place the tempura on a microwave-safe plate lined with a paper towel. Microwave on high for 30 seconds to 1 minute. Note that this method may not retain the original crispiness as well as other methods.
To reheat tempura in a toaster oven, set the temperature to 375°F (190°C). Place the tempura on the toaster oven tray and heat for 10-12 minutes until crispy and hot.
Best Tools for This Recipe
Mixing bowl: A large container used to combine and mix the ingredients together.
Whisk: A utensil used to lightly beat the egg and mix the water and egg together.
Sifter: A tool used to sift the flour into the egg and water mixture to ensure there are no lumps.
Measuring cup: Used to measure out the exact amount of flour and water needed for the batter.
Frying pan: A pan used to fry the coated vegetables or seafood.
Tongs: Used to handle and turn the vegetables or seafood while frying.
Paper towels: Used to drain excess oil from the fried tempura.
Thermometer: Used to check the oil temperature to ensure it is hot enough for frying.
Slotted spoon: Used to remove the fried tempura from the oil while allowing excess oil to drain off.
How to Save Time on This Recipe
Prepare ingredients in advance: Measure and sift the flour ahead of time. Keep the egg and water chilled in the fridge.
Use a cold bowl: Chill your mixing bowl in the freezer for a few minutes before combining the batter ingredients.
Quick fry setup: Have your vegetables or seafood prepped and ready to dip into the batter immediately.
Minimal stirring: Stir the batter just enough to combine. Overmixing will make it less crispy.
Batch frying: Fry in small batches to maintain oil temperature and ensure even cooking.

Tempura Batter Recipe
Ingredients
Tempura Batter
- 1 cup all-purpose flour
- 1 cup ice-cold water
- 1 large egg
Instructions
- In a mixing bowl, lightly beat the egg.
- Add the ice-cold water to the egg and mix gently.
- Sift the flour into the egg and water mixture. Stir lightly to combine. Do not overmix; the batter should be lumpy.
- Use immediately to coat vegetables or seafood before frying.
Nutritional Value
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