This Benihana Onion Soup comes together in about 30 minutes and is made all in one pot for a easy weeknight dinner that your family will love! Not only is it a crowd-pleaser, but you can also switch up the ingredients to suit your taste or use it as a “clean out the fridge” meal to get rid of leftovers and odds and ends! Trust me, the flavors are so comforting, it’s going to become your go-to recipe for any chilly evening or when you want something warm and cozy.
Ingredients Breakdown
- 2 tablespoons vegetable oil
- 1 onion, sliced
- 1/2 cup mushrooms, sliced
- 4 cups beef broth
- 1 cup water
- 1 teaspoon soy sauce
- 1 teaspoon garlic powder
- 1/4 teaspoon white pepper
- 2 green onions, chopped
Let’s Get Cooking!
How to Make Benihana Onion Soup
Heat It Up : In a large pot, heat 2 tablespoons of vegetable oil over medium heat. You’ll want it hot enough that it shimmers a bit!
Sauté Onions and Mushrooms : Add 1 sliced onion and 1/2 cup sliced mushrooms, cooking until they are nice and soft, about 5-7 minutes. Stir occasionally until the onions become translucent and fragrant. The smell? It’s like a hug from the kitchen!
Pour in the Broth : Pour in 4 cups of beef broth and 1 cup of water, bringing it to a gentle boil. This is the time to admire the layers of flavor developing in your pot, so cozy!
Mix in the Flavors : Stir in 1 teaspoon of soy sauce, 1 teaspoon of garlic powder, and 1/4 teaspoon white pepper. This combo is packed with flavor and gives your soup that saucy goodness. Bring it all to a simmer, then reduce the heat.
Let It Simmer : Reduce the heat and let it simmer for about 15-20 minutes. While it cooks, you can start thinking about what absolutely must accompany your soup (hello, crusty bread!).
Finish Up : Once simmered to perfection, serve hot in bowls and garnish with chopped green onions for that extra flair!

And that’s it easy-peasy, right? You can’t rush flavor, but this one comes together pretty quickly!
A Personal Touch
This is my go-to recipe when the weather turns chilly or when I need something comforting to lift my mood. I’m a real sucker for anything savory and warm, and this soup fits that bill perfectly! The best part? It’s incredibly versatile, you can use whatever you’ve got on hand! Whether I’m dumping in leftover veggies or throwing in a different type of broth, it always turns out fantastic. I can’t wait for you all to try this one; it’s bound to be a family favorite!
If you loved this Benihana Onion Soup, be sure to check out my Vegan Baba Ganoush, my Turkish Vegan Bulgur Salad, or my Best 21 Turkish Recipes! Each one is packed with flavor and comfort, guaranteed to make your dinner a hit.
Why This Recipe Works
Quick & Easy
This soup really does come together in under 30 minutes. It’s perfect for those busy weeknights when you need something quick and satisfying!
One Pot Wonder
Minimal cleanup after supper is a major win. This is all made in one pot, which I think we can all agree makes for a happier evening, right?
Crowd-Pleaser
Loaded with tons of flavor, this Benihana Onion Soup is one that the whole family will love! My kids ask for seconds every time, and that’s a big deal!
Customizable
Feel free to switch up the ingredients, add some shredded chicken, toss in some spinach or kale, or even throw in a handful of frozen dumplings to make it heartier. Use whatever ingredients you’ve got in your fridge!
Comfort Food
This soup is comfort food at its best! It’s warm, cozy, and packed with flavor. A simple bowl of this can seriously make your day!
Serving and Storage Tips
What to Serve With This
This onion soup pairs deliciously with a slice of crusty bread, garlic knots, or a fresh side salad. It’s great on its own, but a little extra crunch never hurt anyone!
Keeping Leftovers Fresh
If you have any leftovers (which is a rare occurrence in my house), they’ll keep in the refrigerator for 3-4 days in an airtight container.
Reheating Instructions
To reheat, just pop it back on the stove and warm over low heat, stirring occasionally until steaming hot. You can microwave it, too, just do it in short intervals so it doesn’t get too hot.
Freezer Friendly
Yes! This soup freezes well. Just ladle it into a freezer-safe container, and it’ll keep well for about 3 months. Thaw overnight in the refrigerator when you’re ready to enjoy it again.
I hope you enjoy this comforting soup recipe as much as my family does. It’s my little piece of culinary joy, and I know it’ll become a staple in your meal rotation too!
This post hits all the right notes, and the combination of flavors melds so beautifully that it’s hard to resist. You’ll want to make it again and again (trust me, it’s hard not to!). Follow us on Pinterest for daily inspiration that brings warmth to your table!

Benihana Onion Soup
Ingredients
Method
- In a large pot, heat 2 tablespoons of vegetable oil over medium heat until shimmering.
- Add 1 sliced onion and 1/2 cup sliced mushrooms, cooking until soft (about 5-7 minutes). Stir until onions are translucent and fragrant.
- Pour in 4 cups of beef broth and 1 cup of water, bringing it to a gentle boil.
- Stir in 1 teaspoon of soy sauce, 1 teaspoon of garlic powder, and 1/4 teaspoon of white pepper.
- Bring to a simmer and reduce the heat. Let it simmer for about 15-20 minutes.
- Serve hot in bowls and garnish with chopped green onions.
