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Tempura Vegetables Recipe turns any sad bag of fridge vegetables into the crispiest light-as-air battered veggies you have ever pulled out of hot oil, with a quick soy marinade for flavor depth and an ice-cold flour-cornstarch batter that fries up shatteringly crisp every single time. The first time I made these on a *quiet Sunday night* Maddie and Lizzie hovered over the wire rack stealing veggies as fast as I could pull them out of the oil. Pair the platter with our southern fried chicken for the full crispy comfort spread.
One marinade, one ice-cold batter, and the technique that gives you bakery-crisp tempura at home in under 45 minutes.
Tempura Vegetables Recipe Quick Look
- 🕐 Prep Time: 15 minutes
- 🍴 Cook Time: 30 minutes
- ⏳ Total Time: 45 minutes
- 🍽 Serving: 6 servings
- ⚡ Calories: ~280kcal per serving
- 🌶 Flavor Profile: Shatteringly crisp golden batter, savory soy marinated veggies, tangy-sweet soy dipping sauce with a hint of chili heat
- ✋ Difficulty: Intermediate frying technique, on par with our cheesy fried chicken
Quick Answer
Marinate sliced veggies in soy sauce, garlic powder, onion powder, and cornstarch for 30 minutes, then whisk an ice-cold batter of flour, cornstarch, baking soda, baking powder, sugar, salt, egg, and ice water. Toss the marinated veggies with another tablespoon of cornstarch, dip them in the batter, and fry in 350 degree Fahrenheit oil until golden brown (about 4 minutes). Drain on a wire rack and serve immediately with the soy dipping sauce. The two keys to crispy tempura: keep the batter ice cold and do not overmix (lumps are fine and they fry crispier).
Jump to:
- Tempura Vegetables Recipe Quick Look
- Quick Answer
- Why This Recipe Works
- Why You’ll Love This Recipe
- Key Ingredients
- Variations and Substitutions
- How to Make Tempura Vegetables Recipe
- Recipe Tips & Tricks
- Serving Ideas and Suggestions
- Tempura Vegetables Recipe FAQs
- Other Recommended Copycat Recipes
- Crispy Tempura Vegetables Recipe (With Soy Dipping Sauce)
Why This Recipe Works
Click to see the technique science
- Ice-cold batter is non-negotiable. Cold water + cold egg keep the gluten from developing, which is what gives tempura its signature light shattering crisp instead of a dense bready crust.
- Baking soda plus baking powder = lift. The combo creates carbon dioxide bubbles during the fry, giving you that bumpy crackly tempura texture instead of a smooth fried-chicken style coating.
- Cornstarch in both the marinade and the batter. Cornstarch absorbs moisture and creates a crispier crust than flour alone. The marinade cornstarch also helps the batter cling to the veggies.
- 350 degree Fahrenheit is the magic frying temp. Hot enough to set the batter instantly and seal in moisture, cool enough that the batter does not burn before the veggie centers cook through.
- Wire rack instead of paper towels. Paper towels trap steam under hot tempura and turn the bottom soggy in 30 seconds. A wire rack over a sheet tray lets air circulate so every side stays crisp.
- Do not overmix the batter. Lumps are good. Stirring more than 10 seconds develops gluten and gives you a tough chewy crust. Tempura batter should look streaky, not smooth.
Why You’ll Love This Recipe
- Shatteringly crisp every time. The ice-cold batter technique is bulletproof, no soggy tempura ever again.
- Use whatever veggies are in the fridge. Broccoli, sweet potato, zucchini, mushrooms, green beans, onions, bell peppers, you name it.
- 45 minutes start to finish. Faster than ordering takeout and way crispier than any delivery box, the same speedy energy as our homemade french fries.
- Family approved. The kids will eat veggies they normally refuse when they are dipped in this crispy batter and a sweet-savory dipping sauce.
- Pantry friendly batter. Flour, cornstarch, baking powders, sugar, salt, egg, water, you have it all already.
- Restaurant-quality at home. Better than most American takeout tempura because the batter is fresh, the oil is clean, and you control the fry temp.
- Includes the dipping sauce. No need to buy a separate sauce, the soy-vinegar-scallion dip is built into the recipe.
- Crowd-pleaser appetizer. Pile a serving platter for game day or movie night and watch them disappear in 10 minutes.
Key Ingredients
- Assorted vegetables (1 pound): Pick what is in the fridge. Broccoli florets, sweet potato sticks, zucchini rounds, mushroom caps, green beans, asparagus, onion rings, and bell pepper strips all fry beautifully. Cut into 1/4-inch slices or sticks so they cook through in the same time the batter crisps.
- Soy sauce (1 tablespoon for marinade + 6 for dipping sauce): The umami backbone. Regular soy sauce works; low sodium also works and lets you control salt at the end.
- All-purpose flour and cornstarch (1/2 cup each): The 50/50 ratio is the secret to tempura crisp. Cornstarch lowers the gluten content for a lighter crust.
- Baking soda + baking powder (1 teaspoon each): The lift duo. They create bubbles during the fry that give tempura its signature crackly bumpy texture.
- Ice cold water (2/3 cup): Critical. Pull from a glass with ice cubes. Warm water = dense bready crust; ice water = shatteringly crisp.
- Egg (1 large): Binds the batter to the veggies. Use a cold egg straight from the fridge.
- Rice wine vinegar + chili paste + scallion: Build the dipping sauce. Rice vinegar can swap for apple cider vinegar in a pinch. Chili paste is optional if you want zero heat.
See recipe card for exact quantities.
Variations and Substitutions
- Shrimp tempura: Swap half the veggies for peeled shrimp. Pat dry, dust with cornstarch, dip in batter, and fry the same way.
- Sparkling water batter: Replace the ice water with cold club soda or seltzer for an even crispier crust (the bubbles help lift).
- Gluten-free version: Use a 1:1 gluten-free flour blend or rice flour in place of the all-purpose flour. The cornstarch already helps.
- Sweet potato tempura: Stick exclusively to sweet potato cut into 1/4-inch matchsticks. Try our shortcut Shortcut Sweet Potato Tempura for a quicker version.
- Air fryer version: Toss battered veggies with a light oil spray and air fry at 400 degrees for 8 to 10 minutes, shaking halfway. Less crisp than deep frying but lower in oil.
- Spicy dipping sauce: Double the chili paste and add a teaspoon of sriracha for serious heat.
- Ponzu instead of soy dip: Swap the soy dipping sauce for ponzu (citrus soy) for a brighter tangy flavor.
- Pair with our copycat menu: Stack the platter next to our best sweet and sour sauce for an Asian-inspired appetizer flight.
How to Make Tempura Vegetables Recipe
- Prepare your veggies. Cut them into 1/4-inch slices or sticks so they cook through evenly. Place the cut veggies into a large bowl.
- Toss the veggies with soy sauce, garlic powder, onion powder, cornstarch, and a pinch of cracked black pepper. Let the bowl sit on the counter to marinate for up to 30 minutes while you prep the remaining steps.
- While the veggies marinate, make the dipping sauce. Place soy sauce, water, and sugar into a small saucepan over medium heat, stirring constantly until the sugar melts (2 to 3 minutes). Take the pan off the heat, add rice wine vinegar, chili paste, and thinly sliced scallion, then whisk to combine. Let cool while you prep the remaining steps.
- Pour about 2 to 3 inches of oil into a large heavy-bottom skillet over medium heat. Heat the oil until it reaches 350 degrees Fahrenheit. Use a candy thermometer or instant-read thermometer for accuracy.
- While the oil heats, make the dry batter mix. In a medium bowl, whisk together flour, cornstarch, baking soda, baking powder, sugar, and kosher salt. Set aside.
- In a small bowl, whisk together the large egg and ice cold water until fully combined. Use water from a glass of ice for the coldest possible temperature.
- Pour the wet egg-water mix into the dry batter ingredients and stir just until combined. Do NOT overmix, lumps are good. A streaky batter fries crispier than a smooth one.
- Add 1 tablespoon of cornstarch to the marinated veggies and toss to combine. This extra coating helps the batter cling.
- Once the oil hits 350 degrees Fahrenheit, add a handful of veggies into the batter and coat them. Let excess batter drip off (do not heavily coat). Carefully place the veggies one by one into the oil. Fry until lightly golden brown on all sides, flipping as needed, about 4 minutes total.
- Lift the fried veggies out with a slotted spoon, letting excess oil drip off. Place them on a paper towel-lined plate briefly to catch oil, then immediately transfer to a wire rack set over a sheet tray (this prevents soggy bottoms). Repeat with the remaining batches.
- Serve the Tempura Vegetables Recipe immediately with the soy dipping sauce while everything is still hot and crispy.
Recipe Tips & Tricks
- Ice the water 10 minutes before starting. Drop ice cubes in a measuring cup of water and let it chill while you prep veggies. Strain the ice out right before using.
- Cut veggies the same size. 1/4-inch slices/sticks fry at the same rate. Mixing thick and thin gives you some raw centers and some burnt edges.
- Use a thermometer on the oil. 350 degrees Fahrenheit exactly. Drop below 325 and the batter absorbs oil instead of crisping. Above 375 and the batter burns before the centers cook.
- Fry in small batches. Crowding the oil drops the temperature fast. 4 to 6 pieces at a time is the sweet spot.
- Lift slowly with a slotted spoon. Quick lifts splash hot oil and break off pieces of the crispy batter. Easy does it.
- Skim the oil between batches. Loose batter bits burn in the oil and add a bitter taste to the next batch. A fine-mesh skimmer between batches keeps the oil clean.
- Salt right out of the fryer. The salt sticks best to hot oily surfaces. Wait 30 seconds and it bounces off.
- Wire rack over the sheet tray. The single biggest factor in crispy-vs-soggy tempura at the table. Skip the paper towel rest if you can.
- Make the dipping sauce first. The sauce needs to cool while you fry. Make it before you even heat the oil.
- Pair with our copycat menu: Stack the platter next to our best sweet and sour sauce for double-dipping options.
Serving Ideas and Suggestions
Pile this Tempura Vegetables Recipe on a platter alongside a small bowl of warm soy dipping sauce as a stand-alone appetizer for game day, movie night, or a Friday night home takeout spread. The crispy texture holds up for 15 to 20 minutes on the table.
For a full Asian-inspired dinner, pair the tempura with our Chinese chicken over rice with a side of our best sweet and sour sauce for double-dipping options.
For a complete tempura platter, add a few pieces of shrimp tempura alongside the veggies — peel and devein the shrimp, pat dry, dust with cornstarch, dip in the same batter, and fry the same way.
For a meatier dinner spread, serve the tempura veggies as a crispy side with our southern fried chicken or our cheesy fried chicken for a comfort-food fry night.
Tempura Vegetables Recipe FAQs
Almost any firm vegetable works. The best are broccoli florets, sweet potato sticks, zucchini rounds, mushroom caps, green beans, asparagus, onion rings, and bell pepper strips. Cut everything to 1/4-inch thickness so they cook through evenly while the batter crisps.
Three culprits: warm water (use ICE cold water), overmixing the batter (stop at streaky lumps), or oil that is not hot enough (need 350 degrees Fahrenheit exactly). All three rob you of the signature tempura crisp. Fix one or all of these and the next batch will shatter.
The veggies and dipping sauce can be prepped ahead (marinate the veggies up to 4 hours covered in the fridge, make the dipping sauce up to 24 hours ahead). But the batter must be made fresh right before frying, and the fried tempura is at its best within 15 minutes. Reheating loses 80% of the crisp.
Any neutral high-smoke-point oil works: vegetable oil, canola oil, peanut oil, or grapeseed oil. Avoid olive oil (low smoke point) and butter (will burn). Peanut oil gives the most authentic Japanese-restaurant flavor.
Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in a 400 degree Fahrenheit oven or air fryer for 4 to 6 minutes to recrisp (do NOT microwave, it makes them soggy). The dipping sauce keeps a full week separately.
Yes, swap the all-purpose flour for a 1:1 gluten-free flour blend or rice flour. The cornstarch is already gluten-free. The dipping sauce is gluten-free if you use tamari instead of soy sauce. The technique stays identical.
Other Recommended Copycat Recipes
If you tried this Tempura Vegetables Recipe, please leave a star rating and a comment below to let us know how your family liked it. We love hearing your crispy fry wins, and your reviews help other home cooks find this recipe too.
Round out the Asian-inspired dinner with our Easy Chinese Chicken Recipe.
Crispy Tempura Vegetables Recipe (With Soy Dipping Sauce)
Ingredients
- 1 pound assorted veggies
- 1 tablespoon soy sauce
- ¼ teaspoon garlic powder
- ¼ teaspoon onion powder
- 1 tablespoon cornstarch
- Pinch of cracked black pepper
For the dipping sauce:
- 6 tablespoons soy sauce
- 6 tablespoons water
- ¼ cup granulated sugar
- 1 tablespoon rice wine vinegar
- ¼ teaspoon chili paste
- 1 scallion green party only, thinly sliced
For the batter:
- ½ cup all-purpose flour
- ½ cup cornstarch
- 1 teaspoon baking soda
- 1 teaspoon baking powder
- 1 teaspoon granulated sugar
- ½ teaspoon kosher salt plus more for finishing
- 1 large egg
- ⅔ cup ice cold water
- Oil for frying
Instructions
- Prepare your veggies, if they need to be cut, cut them into 1/4th inch slices or sticks. Place the veggies into a large bow.
- Toss with the soy sauce, garlic powder, onion powder, cornstarch and pepper. Let the bowl sit on the counter and marinate for up to 30 minutes while you prepare the remaining steps.
- While the veggies are marinating, make the dipping sauce by placing the soy sauce, water, and sugar into a small saucepan. Stirring constantly, place the pan over medium heat and cook it just until the sugar melts, 2-3 minutes. Take the pan off the heat and add the vinegar, chili paste, and scallion, whisk to combine. Let cool while you prepare the remaining steps.
- Pour about 2-3 inches of oil into a large heavy bottom skillet over medium heat. Hear the oil until it reaches 350°F.
- While the oil heats, make the batter, in a medium-sized bowl, whisk together the flour, cornstarch, baking soda, baking powder, sugar, and salt, set aside.
- In a small bowl whisk together the egg and water until fully combined.
- Pour the wet mix into the dry and stir until combined, try not to overmix.
- Add 1 tablespoon of cornstarch to the marinated veggies and mix to combine.
- Once the oil is hot, add a handful of the veggies into the batter and coat in the batter. Let excess batter drip off, these don’t need to be heavily coated. Carefully place the veggies one by one into the oil. Fry until lightly golden brown on all sides, flipping the veggies over as needed. About 4 minutes total.
- Drain any excess oil off then place the veggies on a paper towel-lined plate to catch any excess oil. Transfer to a wire rack that is over a sheet tray to prevent the tempura from getting soggy. Repeat with the remaining veggies.
- Serve immediately with the dipping sauce.
Notes
- Use any of your favorite vegetables, see some suggestions above.
- We do not recommend freezing these.
- You can skip making the dipping sauce, see above on other options.
- This can easily be doubled to serve more people.
- Works great as an appetizer or side dish.
- Goes great with a variety of meals.
Nutrition
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Thanks you!!
Looks so delish, Dana!! Thanks for linking up to my Pin Me Party!