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This Wednesday, January 7, is National Tempura Day.

When most of us want tempura—that light, lacy, impossibly crispy Japanese fried perfection—we order takeout.

Why? Because frying at home feels intimidating. We imagine heavy, greasy, soggy disasters.

But here is the truth: Tempura is actually one of the easiest batters to make. It requires fewer ingredients than pancakes.

You just need to know the one scientific rule that separates "Soggy Mess" from "Crispy Gold."

This Wednesday, skip the delivery fees. Here is how to turn a bag of frozen shrimp or a head of broccoli into a masterpiece.

The Science: The "Cold vs. Hot" Rule

The secret to tempura isn't a fancy flour. It is temperature.

You want the batter to be freezing cold and the oil to be piping hot.

Why?

When the ice-cold batter hits the hot oil, the water evaporates instantly, creating a violent reaction that puffs up the batter before it can absorb oil.

Also, cold water prevents gluten from forming. Gluten = Chewy. No Gluten = Light and Crispy.

The Recipe: The 3-Ingredient Batter

Forget the boxed mix. You have everything you need in your pantry.

Ingredients:

• 1 Cup All-Purpose Flour (sifted is best).

• 1 Egg.

• 1 Cup Ice Water (Literally water with ice cubes in it).

The Method:

1. Whisk the egg.

2. Add the Ice Water to the egg.

3. Pour the liquid into the flour.

4. STOP! Do not over-mix. Use chopsticks to poke it a few times. It should be lumpy. If you mix it until smooth, it will be tough. Lumps are your friend.

The Tool: The Thermometer

If you try to guess the oil temperature, you will fail.

If the oil is too cold, the food soaks it up like a sponge. If it's too hot, it burns.

• The Essential: A Digital Instant Read Thermometer.

• The Target: You want your oil at 350°F - 375°F. Check it between batches!

  Shop Digital Thermometers on Amazon

What to Fry? (The Fun Part)

Almost anything tastes better in tempura batter.

• The Classic: Shrimp (stretch them straight before frying so they look professional).

• The Veggie: Sweet Potato slices (the sweetness pairs perfectly with the salty batter).

• The Surprise: Broccoli. (This is the only way to get children to beg for broccoli. It turns the florets into crunchy flavor bombs).

The Dipping Sauce (Tentsuyu)

Don't use ketchup. Please.

Mix these three things for the authentic dip:

• 3 parts Dashi (or chicken broth if you're in a pinch).

• 1 part Soy Sauce.

• 1 part Mirin (sweet rice wine).

• Optional: Grated Daikon radish.

The "Lazy" Option

Look, it's a Wednesday. If measuring flour sounds like too much work, we forgive you.

Head to Trader Joe’s and grab their Frozen Shrimp Tempura.

• The Verdict: It is shockingly good. Throw it in the air fryer or oven, make some rice, and call it a victory.

Get Crunching.

Cooking is chemistry, and today you are the scientist.

Use the ice water. Keep the oil hot. Enjoy the crunch.

Share your delicious photos and tag us on Instagram and TikTok @onmanyoccasions so we can celebrate with you. Don't forget to use #NationalTempuraDay and #OnManyOccasions—we might feature you on our page! 🍤✨

Happy Tempura Day!

What’s for Dessert?

You’ve had your fried veggies, now you need something sweet.

National Apricot Day is coming up on Friday, Jan 9.

Get the recipe ideas and the full schedule in our Free 2026 Celebration Calendar.