Homemade Take-Out: How to Make a Thick Stir Fry Sauce (2024)

Emma Christensen

Emma Christensen

Emma is a former editor for The Kitchn and a graduate of the Cambridge School for Culinary Arts. She is the author of True Brews and Brew Better Beer. Check out her website for more cooking stories

updated Jan 29, 2020

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Homemade Take-Out: How to Make a Thick Stir Fry Sauce (1)

We have a terrible weakness for those Chinese take-out stir fries that come coated with glossy, unctuous sauces. We could never quite duplicate it in our kitchen, and then we stumbled upon the secret ingredient!

Cornstarch! In his book How to Cook Everything Vegetarian, Mark Bittman recommends mixing 1-2 tablespoons of cornstarch with the same amount of water, and tossing this into the stir fry just when it’s almost done. It thickens in seconds, picking up the flavors of everything already in the dish and coating evenly.

Cornstarch is a good choice for this technique because it thickens quickly and evenly without clumping. It also doesn’t have much flavor of its own, so it won’t interfere with those already present in the dish. Rice starch would be a good substitute if you don’t want to use cornstarch.

We’ve also used this thickening step to add another layer of flavor to our stir fries. Instead of water, you can use soy sauce, ponzu, miso (thinned with water), vinegar, or broth – either by themselves or combined in a mix.

What’s your favorite sauce for stir fry?

(Image: Flickr member ginnerobot licensed under Creative Commons)

Homemade Take-Out: How to Make a Thick Stir Fry Sauce (2024)

FAQs

How do I make my stir-fry sauce thicker? ›

Whisk together a tablespoon of cornstarch with an equal amount of cold water until smooth, in a small bowl. This slurry can then be gradually introduced to your stir-fry sauce over medium heat, leading to a thicker, glossier consistency.

How do you make stir-fry taste like a restaurant? ›

Aromatic ingredients like garlic, ginger, green onions, chilies and spices. These ingredients are typically added to the oil first to infuse it with flavor. You won't need much; a few teaspoons to a tablespoon of total aromatic ingredients per person adds a serious amount of flavor.

How do you thicken stir-fry sauce without cornstarch? ›

Use Flour and Water

Combine 2 tablespoons flour with every 1/4 cup cold water and whisk until smooth. Add the mixture to your sauce over medium heat, and continue to stir and cook until you've reached your desired consistency.

What is stir-fry sauce made of? ›

Whisk the soy sauce, vinegar, sesame oil, garlic, ginger, sugar and red pepper flakes if using in a medium bowl until combined. Store in an airtight container in the refrigerator for up to 5 days.

What do Chinese restaurants use to thicken sauce? ›

Much like French food, which relies on a roux for a perfect bechamel sauce or beef bourguignon and involves butter cooked with flour, Chinese and Cantonese cuisines use cornstarch to thicken sauces. However, it's predominantly added at the end of the cooking process rather than at the start.

What can I add to sauce to make it thicker? ›

Ways To Thicken Sauce
  1. Tomato Paste. If your soup or stew is watery, adding tomato paste may help! ...
  2. Arrowroot. You might prefer to avoid gluten in your recipes. ...
  3. Flour. ...
  4. Reduce Your Liquid. ...
  5. Puréed Vegetables. ...
  6. Egg Yolk. ...
  7. Yogurt. ...
  8. Rice.
Jul 15, 2022

How to make sauce thicker without flour or cornstarch? ›

Egg yolks, arrowroot, tomato paste or butter can thicken sauce in place of flour or cornstarch.

What is the Chinese thickening agent? ›

Though it's virtually flavorless, cornstarch is easily one of the most vital ingredients in a Chinese kitchen, with multiple uses, including thickening sauces, gravies, and soups.

What else can I use to thicken sauce besides cornstarch? ›

5 Best Cornstarch Substitutes
  • All-Purpose Flour. Yep, that's right — all-purpose flour is a very stable thickener. ...
  • Arrowroot Powder. If you happen to have this starch on hand, you're in luck: It has the same thickening power as cornstarch, and it creates a beautiful, shiny sauce. ...
  • Potato Starch. ...
  • Rice Flour. ...
  • Tapioca Starch.
Jun 23, 2023

What are the three rules of stir-frying? ›

The first is to cook your protein and your vegetable separately, and combine them only after both are fully cooked. A second rule of thumb for stir-frying: Choose one vegetable per stir-fry. Finally, always remember to add liquid only after everything is more or less finished cooking.

What makes a stir-fry taste good? ›

Common aromatics for stir-fry include ginger, green onions, garlic and shallots. You can use almost any vegetable in a stir-fry, including broccoli, snap peas, bell peppers, cauliflower, carrots and more. In addition to being a delicious and easy-to-make meal, stir-fry is healthy and nutritious.

How to make the perfect stir-fry? ›

The aromatics should be cooked low and slow

If added to a wok or pan on high heat, they will burn quickly and taint the flavour of the stir-fry. As these items are used to flavour the oil, heat the oil over medium heat and cook the aromatics gently. Make sure to spoon them out of the pan before increasing the heat.

How do you make stir-fry less watery? ›

Sometimes the stir-fry sauce can end up being watery after you add it to the meat and veggies. To thicken the stir-fry sauce, make a cornstarch slurry by dissolving a tablespoon of cornstarch in a small bowl of water. Then add the slurry to the stir-fry, stirring it until the stir-fry sauce is thick.

How do you fix sauce that is not thickening? ›

Add about 1 tablespoon of cornflour per cup of sauce but don't dump it straight in or it will clump. Instead, make a mixture with equal parts cornflour and cold water and whisk this into your sauce.

How do you reduce a sauce to make it thicker? ›

How do you make a sauce thicker? The easiest way to thicken a sauce is by reducing the amount of liquid. This can be done by simmering your sauce or bringing it to a full boil—do this uncovered, so the steam can escape.

How do chefs thicken a sauce? ›

Three Ways to Thicken Sauce (Cornstarch, Roux, Beurre Manie)
  1. A cornstarch slurry will create a thicker consistency, but imparts a glossy sheen that is not always wanted.
  2. A roux can also be used, but making roux takes time and a second pan. ...
  3. Instead, consider a beurre manié.

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