If you’re looking for a quick, nutrient-packed dinner that’s bursting with flavor, zucchini beef stir-fry is about to be your new go-to. This easy skillet meal combines tender slices of beef with fresh zucchini and onions in a savory sauce you can whip up in minutes.
I first made this dish after a week where my fridge seemed to be overflowing with garden zucchini. The result reminded me of the simplicity I love in my chicken zucchini stir-fry — quick prep, minimal cleanup, and a dish that’s healthy without sacrificing flavor.

Table of Contents
Table of Contents
Why You’ll Love This Zucchini Beef Stir-Fry
Quick and weeknight-friendly
From chopping to serving, this dish is ready in under 30 minutes. It’s the same kind of dinner convenience you’ll find in my cheesy ground beef and zucchini casserole, but without needing oven time.
Healthy yet satisfying
Lean sirloin steak brings protein, while zucchini adds vitamins, fiber, and a pop of freshness. The balance makes it feel both light and hearty — much like my Mediterranean chicken and zucchini casserole, where vegetables play just as big a role as the protein.
Flexible and customizable
You can swap the beef for chicken, shrimp, or tofu, and add extra vegetables like bell peppers, mushrooms, or snap peas. The base recipe is forgiving and works with what you have in your kitchen.
Pairs well with many sides
Serve this stir-fry with rice, noodles, or even something more creative like Mexican zucchini boats for a fun, double-zucchini dinner.
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Zucchini Beef Stir-Fry – Quick, Flavorful, and Perfect for Weeknights
A quick and healthy zucchini beef stir-fry with tender beef, fresh zucchini, onions, and a savory sauce — ready in just 30 minutes.
- Total Time: 30 mins
- Yield: 4 servings 1x
Ingredients
1 tablespoon olive or avocado oil
¾ – 1 pound sirloin steak, thinly sliced
½ teaspoon salt
½ teaspoon black pepper
1½ tablespoon olive or avocado oil
3 medium zucchini, sliced into half moons
½ white or yellow onion, thinly sliced
½ teaspoon salt
½ teaspoon black pepper
¼ teaspoon ground ginger
¼ teaspoon garlic powder
¼ cup coconut aminos
1 tablespoon rice vinegar
Instructions
1. Heat 1 tablespoon oil in skillet over medium-high heat. Add steak, salt, and pepper. Cook 2–3 minutes until browned. Remove and set aside.
2. Add remaining oil to skillet with zucchini and onion. Season with salt, pepper, ginger, and garlic powder. Cook 7–10 minutes until tender-crisp.
3. Pour in coconut aminos and rice vinegar. Return beef to skillet. Stir and cook 2–3 minutes until heated through.
4. Serve hot, garnished with sesame seeds or green onions.
Notes
Use flank steak or tenderloin for tender slices.
Do not overcrowd pan to avoid soggy zucchini.
Store leftovers in fridge up to 4 days or freeze for 3 months.
- Prep Time: 10 mins
- Cook Time: 20 mins
- Category: Dinner
- Method: Stir-Fry
- Cuisine: Asian-Inspired
Nutrition
- Serving Size: 1 plate
- Calories: 310
- Sugar: 4g
- Sodium: 520mg
- Fat: 18g
- Saturated Fat: 5g
- Unsaturated Fat: 11g
- Trans Fat: 0g
- Carbohydrates: 10g
- Fiber: 2g
- Protein: 28g
- Cholesterol: 65mg
Ingredients You’ll Need for Zucchini Beef Stir-Fry

This recipe keeps things simple with fresh produce, lean protein, and pantry staples that deliver big flavor in just one skillet. For the protein, sirloin steak is my top choice because it stays tender when sliced thin and seared quickly, but flank steak or tenderloin work beautifully, too. Zucchini is the star vegetable here, adding color, texture, and mild sweetness — cut into uniform half moons so they cook evenly. Sweet, thinly sliced onion builds aromatic depth, while a seasoning mix of garlic powder, ground ginger, salt, and pepper enhances every bite.
For the sauce, coconut aminos bring a soy-like richness with less sodium, and rice vinegar adds brightness to balance the savoriness. You’ll use olive or avocado oil to sear the beef and sauté the veggies for the best caramelization. If you like a garnish, sesame seeds or sliced green onions add a fresh finish. Just like in my chicken zucchini stir-fry, these simple ingredients work together to create a meal that’s both healthy and packed with flavor.
Step-by-Step Guide to Making Zucchini Beef Stir-Fry
1. Slice the beef properly
Choose a tender cut like sirloin steak and slice it thinly against the grain. This ensures each bite is tender and easy to chew. It’s the same slicing method I use in my zucchini noodle chicken alfredo when prepping the chicken for fast cooking — precision here makes all the difference.
2. Quick marinade for flavor
In a bowl, toss your beef with soy sauce or coconut aminos, a splash of rice vinegar, and a pinch of sugar. Even 10 minutes of marinating allows the beef to absorb flavor and stay juicy while cooking.
3. Prep the vegetables
Slice the zucchini into half moons so they keep their shape during stir-frying. Thinly slice the onion to help it soften quickly and blend into the sauce. I like to prep veggies the same way I do for my baked parmesan zucchini — uniform slices mean even cooking.
4. Sear the beef
Heat 1 tablespoon of oil in a large skillet over medium-high heat. Add the beef in a single layer and sear for 2–3 minutes, stirring occasionally, until browned but still slightly pink in the center. Remove it from the pan to avoid overcooking.
5. Cook the vegetables
Add the remaining oil to the skillet with the zucchini and onion. Season with salt, pepper, ground ginger, and garlic powder. Cook for 7–10 minutes, stirring occasionally, until the zucchini is tender-crisp and the onion is translucent.
6. Combine and finish
Pour in the coconut aminos and rice vinegar, then return the beef to the skillet. Stir and cook for 2–3 minutes until the beef is fully cooked and coated in sauce. Serve hot with rice or pair it with zucchini lasagna roll-ups for a veggie-packed feast.
Tips, Variations, and Serving Ideas for Zucchini Beef Stir-Fry

Choose the right cut of beef
For the most tender results, stick with sirloin, flank steak, or tenderloin. Avoid fattier cuts that take longer to cook. The quick sear method here is similar to the approach I take in my Tex-Mex chicken and zucchini recipe, where the protein needs only a short time in the skillet.
Don’t overcook the zucchini
The key to great zucchini beef stir-fry is tender-crisp vegetables. Zucchini cooks quickly, so keep an eye on it to prevent sogginess. If you’ve made my Mexican zucchini boats, you’ll know how important it is to keep the zucchini’s structure intact.
Boost the flavor
If you want a deeper, more complex sauce, add a spoonful of oyster sauce or hoisin when combining the beef and vegetables. A pinch of crushed red pepper also adds a nice heat.
Low-carb swaps
Instead of rice, serve the stir-fry over cauliflower rice or zucchini noodles for a lighter option. For more low-carb dinner inspiration, check out my baked parmesan zucchini, which works as both a side dish and a snack.
Meal prep friendly
This dish reheats well, making it a good choice for lunch prep. Just store portions in airtight containers and keep in the fridge for up to four days. Reheat in a skillet for best results.
Serving ideas
Pair your stir-fry with a side salad, miso soup, or roasted vegetables for a balanced plate. I often serve it alongside my chicken zucchini stir-fry when cooking for a crowd, so everyone has a choice between beef or chicken.
Frequently Asked Questions about Zucchini Beef Stir-Fry
Can I make zucchini beef stir-fry ahead of time?
Yes. While it’s best fresh, you can prep all ingredients in advance. Slice the beef, chop the zucchini and onions, and store them separately in the fridge. When you’re ready, just cook everything as directed. I use this same prep-ahead strategy for my Mediterranean chicken and zucchini casserole to save time on busy nights.
How do I keep the zucchini from getting soggy?
Cook it over medium-high heat and don’t overcrowd the pan. This allows excess moisture to evaporate quickly. Just like in my cheesy ground beef and zucchini casserole, controlling moisture is key to keeping vegetables firm.
What can I use instead of coconut aminos?
You can use low-sodium soy sauce or tamari for a similar savory flavor. The recipe is flexible, much like my zucchini lasagna roll-ups, which work well with ingredient swaps.
What’s the best side dish for zucchini beef stir-fry?
Steamed jasmine rice, quinoa, or even garlic noodles pair beautifully. If you want a double-zucchini night, serve it with my baked parmesan zucchini for a crunchy contrast.
Conclusion
This zucchini beef stir-fry is proof that healthy eating doesn’t have to be bland or time-consuming. In just 30 minutes, you get a hearty skillet meal that’s brimming with protein, veggies, and flavor. The tender slices of beef and crisp-tender zucchini create a satisfying texture balance, while the simple sauce ties everything together.
With a handful of pantry staples and fresh produce, this recipe is as approachable as my Tex-Mex chicken and zucchini recipe and just as flexible. Whether you’re cooking for yourself, your family, or meal prepping for the week, this stir-fry delivers both convenience and flavor in one pan
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