Lemon Chicken And Asparagus Stir-Fry | Low-Carb Dinner
⏲ ~19 min total · prep 15 · cook 4 · 4 servings
Dinner⏱ 25 min total🔥 2.0g net carbs⚡ ≈665 kcal/serving~8% of calories from carbs
By the KFI Test Kitchen · Tested & approved by Jason Lieu, KFI recipe editor
Published Sep 15, 2026 · Updated Sep 15, 2026
Ingredients
- 1 1/2 lb boneless skinless chicken breasts, cut into 1/2-inch strips
- 1 lb asparagus, trimmed and cut into 2-inch pieces
- 3 tbsp avocado oil, divided
- 3 cloves garlic, minced
- 1/4 cup fresh lemon juice (from 2 lemons) plus 1 tsp lemon zest
- 2 tbsp coconut aminos
- 1/4 tsp red pepper flakes
- 1/4 tsp xanthan gum
- 3/4 tsp kosher salt
- 1/4 tsp black pepper
Instructions
- Toss the chicken strips with the kosher salt and black pepper in a bowl until evenly coated.
- Heat a wok or 12-inch skillet over high heat until a drop of water skitters and evaporates, about 2 minutes. Add 2 tbsp of the avocado oil and swirl to coat.
- Add the chicken in a single layer and stir-fry 4-5 minutes, tossing every minute, until golden in spots and just cooked through to 165°F inside. Transfer to a clean plate.
- Add the remaining 1 tbsp avocado oil, then the asparagus. Stir-fry 3 minutes until bright green and crisp-tender with a few blistered spots, then add the garlic and cook 30 seconds until fragrant.
- Return the chicken and any collected juices to the pan. Pour in the lemon juice, lemon zest, coconut aminos, and red pepper flakes and toss for 1 minute so everything picks up the sauce.
- Sprinkle the xanthan gum evenly over the pan while tossing continuously, about 30 seconds, until the sauce thickens enough to glossy-cling to the chicken instead of pooling.
- Serve immediately, straight from the pan.
Why this recipe works
- Xanthan finish A quarter teaspoon of xanthan gum thickens the lemon sauce into something that clings to the chicken instead of pooling on the plate. It does the job cornstarch usually does, without the starch.
- Cooked in stages Chicken seared first on its own turns golden instead of grey. Pulling it out while the asparagus blisters keeps each one at its own doneness instead of one deciding for the other.
- Coconut aminos Coconut aminos supply the salty-savory base soy sauce would, and their mild sweetness balances the lemon without extra sweetener. Three tablespoons is enough because the sauce reduces as it tosses.
Tips for making this recipe well
Heat the pan until water skitters
Wait until a drop of water skitters and evaporates before the oil goes in, about two minutes over high heat. Food added to a lukewarm wok steams and sticks instead of searing.
Single layer or two batches
Crowding drops the pan temperature and everything steams. If the chicken won't fit in one layer, cook it in two batches; the extra three minutes saves the texture.
Rain the xanthan in
Sprinkle the xanthan gum evenly over the pan while tossing continuously. Dumped in one spot it clumps into gel beads that no amount of stirring fixes.
Zest before you juice
Zest the lemons before cutting them for juice. A squeezed lemon half fights back.
Asparagus doneness cue
Bright green with a few blistered spots and some remaining snap means pull it now. Residual heat keeps cooking it once the chicken returns to the pan.
Serving suggestions
Tuesday night, twenty-five minutes, one wok: this earns its weeknight slot. Spoon it over cauliflower rice to catch the glossy lemon sauce, or eat it straight from a bowl with chopsticks. The recipe already carries protein and vegetables in one pan, so sides are optional. If the table wants more, a crisp cucumber salad keeps the citrus theme going. Serve it immediately; stir-fry waits for nobody.
Storage and meal prep
Stir-fry leftovers keep 3 to 4 days in a covered container in the fridge. The asparagus softens and the sauce loosens a little by day two; a hot skillet brings the gloss back better than a microwave. Reheat only until warmed through, since the chicken is already cooked and extra time toughens it. Freezing works for 2 to 3 months, though asparagus turns soft and watery after thawing. Portion into single servings before freezing so you never thaw the whole batch at once.
Variations worth trying
- Thigh strips Boneless thighs cut into strips stay juicier under high heat. Give them a minute or two more in the pan than the breast strips need.
- Broccoli instead of asparagus Small florets take the same three minutes. For thick stems, add a splash of water and a lid for one minute to help them along.
- More heat Double the red pepper flakes, or finish each plate with a drizzle of chili oil at the table.
- Egg ribbon Scramble two beaten eggs in the empty pan after the chicken comes out. Break them into pieces and toss them back in with the sauce at the end.
Frequently asked questions
Can I make this without xanthan gum?
Yes, and the sauce will be thinner, more of a dressing than a glaze. Reduce the lemon juice and aminos half a minute longer in the pan to concentrate what's there.
What can I use instead of coconut aminos?
Soy sauce or tamari works at the same two tablespoons. Tamari keeps it gluten free if that matters in your kitchen.
Why is my chicken grey instead of golden?
The pan wasn't hot enough or the pieces were crowded. High heat, a single layer, and patience before tossing are the whole method.
Can I prep this ahead?
Cut the chicken, trim the asparagus, and mix the sauce in the morning, then refrigerate them separately. The stir-fry itself takes about ten minutes from a cold start.
How do I stop the garlic from burning?
Add it after the asparagus has cooked, not before, and give it thirty seconds. Burnt garlic turns bitter and there's no fixing it once it's dark.
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