Low Carb Chicken Stir Fry
This is the kind of dinner you make when time is tight but you still want something real. It cooks fast, smells amazing, and actually feels like a complete meal. The chicken stays juicy, the vegetables keep a bit of bite, and the sauce pulls it all together without feeling heavy.
If you’re into fresh, quick meals, you’ll probably like this Grilled Chicken Salad I come back to this one a lot during busy weeks.

It reheats well, holds its texture, and doesn’t turn into something sad the next day.
The Secret to This Recipe
Cooking the chicken first over high heat around 425°F locks in moisture while building light browning on the edges. The cornstarch in the sauce thickens right at the end, so it coats instead of pooling. Adding vegetables after the chicken keeps them crisp instead of steaming out.
What You Will Need

- boneless chicken breast: thinly sliced for fast, even cooking and better browning.
- broccoli florets: cut into bite-size pieces so they cook through but stay crisp.
- red bell pepper: sliced into strips for sweetness and color contrast.
- zucchini: cut into half-moons so it softens quickly without getting mushy.
- garlic cloves: finely minced for strong, even flavor throughout.
- fresh ginger root: grated or minced for a sharp, warm bite.
- low sodium soy sauce: keeps the sauce balanced without overpowering saltiness.
- sesame oil: added for a nutty finish and aroma.
- olive oil: used to cook the chicken and prevent sticking.
- cornstarch: helps the sauce cling and lightly thicken.
- water: loosens the sauce so it spreads evenly.
Kitchen Equipment
Method
Step 1: Slice the chicken and vegetables

Use a sharp knife and work on a stable board. Slice the chicken into thin strips about 1/4 inch thick, then cut broccoli into small florets and slice the pepper and zucchini into similar sizes. This takes about 8 to 10 minutes if you keep a steady pace. Keep your hand curled and guide the knife in a smooth forward motion. You’ll see clean edges and even pieces when it’s right. If the cuts are too thick, the chicken cooks unevenly and the vegetables stay raw in spots.
Tip: Chill the chicken for 10 minutes before slicing to make cleaner cuts.
Step 2: Coat chicken with sauce mixture

In a bowl, mix soy sauce, minced garlic, grated ginger, cornstarch, and water. Add the chicken and use your hands or tongs to fold and turn it for about 60 to 90 seconds until every piece looks glossy and lightly sticky. Press and separate the strips as you mix so nothing clumps. You’ll notice the coating thickens slightly as it sits. If you skip proper mixing, the sauce cooks unevenly and some pieces stay bland. (I used to rush this step, and the flavor never fully stuck.)
Tip: Let the coated chicken sit for 3 to 5 minutes so the cornstarch hydrates.
Step 3: Cook chicken until lightly browned

Heat a large pan over medium-high heat, about 7 out of 10, and add olive oil. Once it shimmers, spread the chicken in a single layer and leave it untouched for 2 minutes, then flip and cook another 3 to 4 minutes. Use a quick lift-and-turn motion with a spatula. You’ll see the edges turn light golden and hear a steady sizzle. If you crowd the pan, the chicken steams instead of browns and you lose that texture.
Tip: Cook in batches if needed to keep the heat high.
Step 4: Add vegetables and combine

Add the broccoli, pepper, and zucchini straight into the hot pan. Stir and toss using a scoop-and-flip motion for 4 to 6 minutes over medium-high heat so everything cooks evenly. Watch for bright color and slight softening at the edges while the centers stay firm. You’ll smell the garlic and ginger come back to life. If you cook past this point, the vegetables go limp and lose their bite.
Tip: Start with broccoli first if your pieces are large so it gets a slight head start.
Step 5: Finish with sauce thickening

Pour in any remaining sauce and keep the heat at medium, around 5 out of 10. Stir continuously for 2 to 3 minutes, scraping the pan so the sauce coats everything evenly. You’ll see it turn glossy and cling to the chicken and vegetables. It should lightly coat the back of a spoon. If you keep cooking past this stage, the sauce tightens too much and turns sticky instead of smooth.
Tip: Turn off the heat right when the sauce thickens to keep it from over-reducing.
Tips and Tricks
- Cut everything to a similar size so it cooks at the same speed
- Give the chicken space in the pan so it browns instead of steams
- Keep the heat high to get that slight sear on the edges
- Serve right away while the vegetables are still crisp
Swaps and Variations
- boneless chicken breast: boneless chicken thighs — thighs stay juicier but take a minute longer to cook through.
- soy sauce: tamari or coconut aminos — tamari keeps it gluten-free, coconut aminos are slightly sweeter.
- cornstarch: arrowroot powder — works similarly but gives a slightly silkier sauce.
- zucchini: green beans — adds more snap but changes the texture slightly.
- olive oil: avocado oil — better for higher heat and gives a cleaner finish.
- broccoli: cauliflower florets — keeps it low carb but cooks a bit faster, watch closely. Pairs well with dishes like this Healthy Quinoa Salad: https://leagueofcooking.com/healthy-quinoa-salad/
How to Store
Store leftovers in an airtight container in the fridge for up to 3 days. The flavors hold up well and the sauce stays nicely coated. Reheat in a pan over medium heat for 4 to 5 minutes, stirring occasionally. Microwaving works too, but go in short bursts or the vegetables soften too much.

Low Carb Chicken Stir Fry
Ingredients
- 2 large boneless chicken breast
- 2 cups broccoli florets
- 1 large red bell pepper
- 1 medium zucchini
- 3 minced garlic cloves
- 1 tablespoon grated fresh ginger root
- 3 tablespoons low sodium soy sauce
- 1 tablespoon sesame oil
- 1 tablespoon olive oil
- 1 teaspoon cornstarch
- 2 tablespoons water
Instructions
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The boneless chicken breast becomes thin uneven strips while broccoli florets break into smaller pieces and red bell pepper and zucchini turn into irregular slices. Everything now shows raw colors and varied shapes with natural size differences across the cutting board.

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The chicken strips get coated with soy sauce ginger garlic and cornstarch mixture and then the surface turns glossy and slightly sticky. The pieces start clumping lightly as the liquid spreads unevenly across each strip.

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The chicken cooks and changes from pale pink to opaque white with light golden edges forming in patches. The pieces shift apart slightly as moisture releases and the coating tightens around them.

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Broccoli florets red bell pepper and zucchini get added and then colors brighten while steam softens edges. The vegetables mix with chicken and begin to glisten as sauce spreads across surfaces unevenly.

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The remaining sauce thickens and lightly coats everything creating a glossy finish and slightly sticky texture. Chicken and vegetables settle into a cohesive mixture with small browned spots and softened edges.

Notes
The best feature are the browned edges that open up into little crisp bits. Watch everyone reach for the portions with the MOST golden spots because the texture brings extra flavor!
Before you start please read the IMPORTANT NOTES in Notes section below. Thank you!
Nutrition
Common Questions
Yes, they work really well here. They stay a bit juicier and have more flavor. Just cook them an extra minute or two to be sure they’re done.
It fits most low carb and keto plans as written. If you’re strict, swap the cornstarch for a keto thickener like xanthan gum.
Absolutely. Mushrooms, snap peas, or even cabbage work well. Just keep the pieces small so they cook quickly.
It likely cooked too long on the heat. The cornstarch thickens quickly, so once it coats the food, it’s ready. Letting it go longer makes it sticky.
Final Thoughts
This is one of those meals you’ll end up making on repeat. It’s fast, reliable, and actually satisfying without feeling heavy.
Stir frying works best when the pan surface hits around 400°F, which is why everything cooks so fast without turning soggy.
