Butter-Soy Chicken and Asparagus Stir-Fry
Updated January 5, 2025
- Total Time
- 50 minutes
- Prep Time
- 10 minutes
- Cook Time
- 40 minutes (including 30 minutes' marinating)
- Rating
- Comments
- Read comments
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Ingredients
FOR THE CHICKEN
1 boneless, skinless chicken breast (10 to 12 ounces), or 2 smaller chicken breasts (about 6 ounces each), thinly sliced
1 ½ teaspoons cornstarch
½ teaspoon baking soda
¼ teaspoon sugar
¼ teaspoon salt
1 teaspoon soy sauce
Black pepper
1 tablespoon vegetable oil
1 tablespoon egg white (from 1 egg; save the rest for an omelet)
FOR THE STIR-FRY
1 tablespoon vegetable oil
¼ pound asparagus (4 to 5 medium stalks), cut into 1-inch pieces
6 large button mushrooms, quartered (about 4 ounces)
½ red bell pepper, sliced
Salt and black pepper
3 tablespoons butter
1 tablespoon soy sauce
1 lemon wedge
Toasted sesame seeds, for serving (optional)
Cooked rice, for serving
Preparation
- Step 1
Marinate the chicken: In a bowl, combine chicken, cornstarch, baking soda, sugar, salt, soy sauce and a few cracks of black pepper. Add the oil and 1 tablespoon of egg white. Using a spoon, mix until well combined and the chicken appears glossy and velvety. Cover bowl and refrigerate chicken for at least 30 minutes and up to 2 hours.
- Step 2
When chicken is marinated, place a colander in your sink. In a saucepan, bring 4 cups of water to a boil. Carefully add marinated chicken to the boiling water. Use tongs or chopsticks to separate the pieces (some egg white may float to the surface). Cook for 90 seconds, then drain the chicken in the colander. Shake the colander to remove excess liquid (the chicken won’t be fully cooked yet).
- Step 3
Start the stir-fry: Heat the oil in a large nonstick skillet or wok over medium-high. When the oil is hot (it should flow quickly when you tilt the pan), add the asparagus, mushrooms and bell pepper and stir-fry until lightly browned, about 4 minutes. Transfer chicken from the colander to the skillet and add a pinch of salt and pepper. Stir-fry constantly for 1 minute.
- Step 4
Push the chicken and vegetables to one side of the skillet and reduce heat to medium-low. In an empty area of the skillet, add the butter, allowing it to melt and sizzle. Then pour the soy sauce onto the butter and stir to combine. Push the chicken and vegetables into the sauce and stir-fry for 30 seconds. (The sauce should cling to the chicken.)
- Step 5
Transfer to a platter and squeeze juice from the lemon wedge over top. Sprinkle with sesame seeds if using. Serve immediately with rice.
Private Notes
Comments
@Carla Hi Carla, it’s Kevin Pang, the recipe developer here. Yes, you can velvet the chicken a day in advance and keep it in your fridge until it’s ready for stir-frying.
@Brownhut Kevin the recipe developer here. You should use light soy sauce if it’s a Chinese-style soy, but here I prefer the Japanese-style shoyu (like a Kikkoman).
Brownhut, how do you know this needs some oyster sauce and sesame oil? Is it because that's "the way I always do it and I know best"? I am genuinely curious about why someone would criticize a recipe (which you are doing) without offering a rationale, or even a "I made this recipe and feel it is missing something".
Very nice. Used Bok Choy instead of asparagus. Needs a lot more spice. Served with white rice.
I added twice the veggies, and there was still a lot of chicken! Really good recipe.
Can I substitute toasted sesame oil for vegetable oil? It has a nice flavor or is the smoke point too low?
@C K Generally you don’t want to cook with sesame oil. You add a touch at the end for nutty flavor. I’d use veg oil to cook and sesame oil to finish.

