About Contact

Crispy Vegetable Tempura with Dipping Sauce Recipe

September 12, 2025 BY: Katherine

Ever feel like you need a little kitchen magic to turn a simple vegetable into something truly spectacular? The kind of appetizer that makes everyone’s eyes light up? For me, that’s the joy of a perfectly made Vegetable Tempura with Dipping Sauce. It feels fancy, but I promise you, it’s built on the simple, humble wisdom my grandma taught me: trust your instincts and enjoy the process. I’m talking about impossibly light, crispy vegetables you can dip into a savory-sweet sauce that’s pure bliss. So good. Let’s forget the idea that frying is scary and make something wonderful together.

Why You’ll Love This

You are going to adore this recipe for so many reasons. First, it’s surprisingly simple. While tempura has a reputation for being a restaurant-only treat, my method breaks it down into easy, approachable steps. Second, it’s a fantastic way to get excited about eating your veggies. Even the pickiest eater can’t resist a crispy, golden-green bean or a sweet potato fry. And that dipping sauce? It’s the stuff of legends—a perfect balance of salty, sweet, and umami that you’ll want to put on everything. Honestly, this recipe is a guaranteed crowd-pleaser for any night of the week.

Ingredients You’ll Need

  • For the Tempura Dipping Sauce:
    • 3/4 cup low-sodium vegetable broth: forms the savory base.
    • 3 tablespoons low-sodium soy sauce: for that essential salty, umami flavor.
    • 2 tablespoons mirin: adds a gentle sweetness (find it in the Asian aisle).
    • 1 tablespoon rice vinegar: provides a bright, acidic kick.
    • 1 teaspoon grated fresh ginger: for a little spicy warmth.
    • 1 teaspoon granulated sugar: just a pinch to balance the flavors.
  • For the Tempura Batter:
    • 1 cup all-purpose flour: the foundation for our light, crisp coating.
    • 1/4 cup cornstarch: the secret to an extra-crunchy texture.
    • 1 large egg: helps bind the batter.
    • 1 cup ice-cold seltzer water: the carbonation creates those lovely air pockets for a feather-light crust.
    • 1/2 teaspoon kosher salt: to season the batter itself.
  • For the Tempura Vegetables:
    • 4 cups assorted vegetables, sliced 1/4-inch thick: such as sweet potato, broccoli, zucchini, bell pepper, and green beans.
    • 1 1/2 quarts neutral oil (like avocado or canola): for frying at a steady, high heat.

Let’s Get Cooking Step by Step

  1. First, make your Tempura Dipping Sauce. In a small saucepan, combine the vegetable broth, soy sauce, mirin, rice vinegar, ginger, and sugar. Bring it to a gentle simmer over medium heat, stirring until the sugar dissolves. Remove it from the heat and let it cool to room temperature. This allows the flavors to really get to know each other.
  2. Now, prep your veggies. Wash and dry them thoroughly, then slice them into uniform, 1/4-inch pieces. This is key so they all cook at the same rate. Pat them completely dry with a paper towel—any extra water will make the oil splatter.
  3. Time for the batter, but wait! Don’t make it until you’re absolutely ready to fry. In a large bowl, whisk together the flour, cornstarch, and salt. In a separate bowl, lightly beat the egg, then whisk in the ice-cold seltzer water. Create a well in the center of the dry ingredients and pour the wet ingredients in. Gently whisk until the batter just comes together. It should be lumpy and thin, almost like pancake batter. Lumps are good! Overmixing makes a tough, heavy coating.
  4. Pour your oil into a large, heavy-bottomed pot or Dutch oven until it’s about 2 inches deep. Attach a candy thermometer to the side and heat the oil over medium-high heat until it reaches 375°F. This is the perfect tempura temperature.
  5. Working in small batches, dip your dried vegetable pieces into the batter, letting any excess drip off. Carefully lower them into the hot oil. Don’t overcrowd the pot; this will drop the oil temperature and make your tempura greasy.
  6. Fry for 2-3 minutes, turning occasionally, until the vegetables are pale golden brown and incredibly crispy. Use a spider strainer or slotted spoon to transfer them to a wire rack set over a baking sheet. This keeps them crisp instead of letting them get soggy on a paper towel. sprinkle with a tiny pinch of salt right away. Continue with the remaining vegetables, checking that the oil returns to 375°F between each batch.
  7. Serve your beautiful, crispy Vegetable Tempura immediately with the cool dipping sauce on the side.

Tips For Perfect Tempura

  • The single most important tip: Keep everything COLD. Ice-cold seltzer and a cold bowl (you can even pop it in the freezer for 10 minutes beforehand) are non-negotiable for the lightest batter.
  • Dry veggies are happy veggies. Any surface moisture will cause violent oil splatters and prevent the batter from sticking properly.
  • Embrace the lumpy batter. A few flour lumps are what give tempura its signature craggy, delicate crust. A smooth batter is a sad, dense batter.
  • Invest in a cheap candy or deep-fry thermometer. Guessing the oil temperature is a surefire way to end up with either greasy or burnt tempura.
  • Fry in small batches. It feels like it takes longer, but it’s the only way to maintain the oil temperature for perfect results every time.
  • And have fun with it! So what if a piece breaks or isn’t perfect? It’s all going to taste delicious dipped in that sauce.

Variations & Substitutions

This recipe is so, so adaptable. Don’t be afraid to make it your own!

  • Gluten-Free: Swap the all-purpose flour for your favorite 1:1 gluten-free flour blend. The results are fantastic.
  • Different Veggies: Try asparagus spears, thinly sliced onions, mushrooms, or even apple slices for a sweet treat.
  • No Seltzer? Ice-cold club soda or even very cold sparkling water works just fine.
  • Spicy Twist: Add a pinch of cayenne pepper to the dry batter mix or stir a few dashes of hot sauce into the finished dipping sauce.
  • Herbaceous Note: Finely mince some fresh parsley or chives and stir them right into the batter for a pop of color and flavor.

Storage & Reheating

Let’s be honest: tempura is absolutely best eaten straight out of the pot. But if you have leftovers, you can store them in an airtight container in the refrigerator for up to 2 days. To reheat and bring back that crunch, forget the microwave. Instead, spread the pieces on a baking sheet and bake in a 400°F oven for 5-8 minutes, or until hot and crisp. You can also re-crisp them in an air fryer at 375°F for 3-4 minutes. The dipping sauce will keep in the fridge for over a week.

Serving Ideas & Pairings

This Vegetable Tempura with Dipping Sauce is the star of the show as an appetizer for a dinner party or a fun Friday night meal. But it’s also incredibly versatile. I love to serve a big platter of it alongside a simple miso soup and a bowl of steamed rice for a full Japanese-inspired dinner. It also makes a wonderful side dish for grilled chicken or fish. Honestly, sometimes we just make a big batch and call it dinner! For a drink pairing, a crisp lager or a glass of iced green tea complements the light, fried food perfectly.

Frequently Asked Questions

  • Can I make this tempura recipe in an air fryer? You can get a similar effect! Preheat your air fryer to 400°F. Dip your veggies in the batter, letting the excess drip off, and arrange them in a single layer in the basket (you’ll need to work in batches). Lightly spray with cooking oil and air fry for 8-10 minutes, flipping halfway through, until golden and crispy. The texture is slightly different but still delicious.
  • My batter isn’t sticking to the vegetables. What did I do wrong? The most common culprit is moisture. Make sure your veggies are bone-dry before dipping. Another tip is to dust them with a very light sprinkling of flour before dunking them in the batter—it gives the wet batter something extra to grip onto.
  • What’s the best oil for frying tempura? You want a neutral oil with a high smoke point. My go-to choices are avocado oil, peanut oil, or canola oil. They won’t impart any unwanted flavor to your delicate Vegetable Tempura.
  • Can I make the dipping sauce ahead of time? Absolutely! In fact, I encourage it. The flavors in the Tempura Sauce meld and deepen as it sits. You can make it up to 3 days in advance and keep it stored in the fridge.

Leave a Comment