As I plopped down at the kitchen table, my mind raced with the idea of whipping up something quick yet satisfying. This One Pan Thai Basil Beef has become my secret weapon on busy nights, transforming simple ingredients into an explosion of flavor in under 30 minutes! The tender flank steak gets its delectable umami kick from fish sauce and coconut aminos, ensuring it checks all the boxes for a gluten-free, dairy-free, paleo, and keto-friendly meal. Not only is this dish a nutritious option, but it’s also a terrific way to impress your dinner guests while keeping cleanup to a minimum. Who doesn’t love a one-pan wonder that makes weeknight cooking a breeze? Ready to elevate your meal game in no time? Let’s dive right in!

Why is One Pan Thai Basil Beef Amazing?
Quick and Easy: You can whip this dish up in under 30 minutes, making it perfect for those hectic weeknights.
Flavor Explosion: The umami from fish sauce and coconut aminos pairs perfectly with the fragrant Thai basil, giving every bite a burst of flavor.
Diet-Friendly: It’s not only gluten-free and dairy-free but also fits within paleo, keto, and Whole30 diets, so everyone can enjoy it guilt-free!
One-Pan Wonder: Enjoy minimal cleanup with this one-pan recipe—all the magic happens in a single skillet, saving you time and effort.
Versatile Pairings: Serve it over jasmine rice or cauliflower rice for a wholesome meal, and feel free to mix it up with seasonal veggies! Looking for a refreshing side? Try a light Thai Cucumber Salad to complement this delicious dish.
One Pan Thai Basil Beef Ingredients
For the Beef
• Flank Steak – The main protein source, providing a tender texture. Substitution: Skirt steak can be used instead.
• Avocado Oil – A high-heat cooking fat that adds subtle flavor. Substitution: Olive oil may work, though it has a lower smoke point.
• Arrowroot Flour – Acts as a thickening agent for the sauce. Substitution: Cornstarch can be used if not Whole30.
• Kosher Salt & Black Pepper – Essential seasonings to enhance flavor. Use to taste.
For the Vegetables
• Red Bell Peppers – Adds sweetness and vibrant color. Substitution: Any bell pepper variety can be used.
• White Onion – Provides sweetness and depth to the dish. Substitution: Shallots or yellow onions can also be used.
• Garlic – Enhances aroma and flavor, elevating the dish. Use fresh minced garlic for the best results.
For the Sauce
• Coconut Aminos – A soy sauce alternative that offers a sweet and salty flavor. Substitution: Soy sauce can be used but is not Whole30 compliant.
• Fish Sauce – Integral to creating that signature umami flavor. Warning: Omitting it changes the flavor profile significantly.
For the Finish
• Thai Basil – Aromatic herbs that take the dish to another level. Substitution: Regular basil is acceptable but will slightly change the flavor.
• Cilantro and Green Onions – Fresh garnishes that add brightness and freshness.
Enjoy making this One Pan Thai Basil Beef and watch it become a favorite at your dining table!
Step‑by‑Step Instructions for One Pan Thai Basil Beef
Step 1: Prepare Flank Steak
Begin by placing your flank steak in the freezer for about 20 minutes until firm, which makes slicing easier. Once ready, slice it into bite-sized strips. In a medium bowl, combine the steak with ½ tablespoon of avocado oil, arrowroot flour, kosher salt, and black pepper. Mix well to coat and set aside while you heat up your pan.
Step 2: Cook Steak
Heat a large frying pan over medium-high heat for 2 minutes, then add 2 tablespoons of avocado oil. Allow the oil to heat for about 1 additional minute before adding the sliced flank steak in a single layer. Cook the steak for approximately 3 minutes on each side until it’s nicely browned. Once cooked, remove the steak from the pan and set aside.
Step 3: Sauté Vegetables
In the same pan, without cleaning it, add the sliced red bell peppers and chopped white onion. Sauté the vegetables for about 7 minutes, stirring occasionally, until they have softened and the onion is translucent. This step infuses the pan with delicious flavors that will meld beautifully in your One Pan Thai Basil Beef.
Step 4: Combine
Return the cooked flank steak back into the pan with the sautéed vegetables. Stir frequently and cook everything together for about 1 minute to reheat the meat. Next, add the coconut aminos and fish sauce to the mixture, allowing the flavors to develop. Simmer for about 3 minutes, letting the sauce thicken slightly and coat the steak and vegetables.
Step 5: Finish
Remove the pan from heat and gently stir in the fresh Thai basil leaves until they are just wilted. This will preserve their vibrant flavor and color. Serve your delicious One Pan Thai Basil Beef over cooked jasmine rice or cauliflower rice, and garnish with fresh cilantro and chopped green onions for an extra burst of freshness!

Expert Tips for One Pan Thai Basil Beef
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Properly Slice Steak: Freeze flank steak for 20 minutes before slicing. This makes it easier to cut into bite-sized strips, which cook more evenly.
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Avoid Overcrowding: Cook steak in batches if necessary. Overcrowding can cause steaming instead of browning, resulting in a less flavorful dish.
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Essential Fish Sauce: Don’t skip the fish sauce; it’s crucial for the umami flavor. Omitting it transforms the dish entirely, missing that authentic Thai taste.
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Veggie Variations: Feel free to experiment with veggies! Adding broccoli, snap peas, or carrots not only increases nutrition but also enhances the dish’s color.
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Control Thickness: Adjust the arrowroot flour based on your desired sauce thickness. Add more for a thicker consistency and ensure it coats your beef beautifully.
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Optimize Cooking Time: Monitor your cooking closely, as the entire dish comes together quickly. Timing is everything for that perfect tender beef in One Pan Thai Basil Beef.
What to Serve with One Pan Thai Basil Beef
Elevate your dining experience with delightful sides that complement the vibrant flavors of this quick Thai dish.
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Jasmine Rice: Light and fluffy, jasmine rice is the perfect base to soak up the savory sauce, making each bite feel indulgent.
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Cauliflower Rice: A low-carb alternative, cauliflower rice pairs wonderfully with the beef’s umami notes while adding a subtle crunch.
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Thai Cucumber Salad: This refreshing salad adds a crisp contrast to the rich flavors of the beef, brightening the meal with a hint of acidity.
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Steamed Broccoli: Bright green florets provide a nutritious element, adding a satisfying crunch and completing your meal with extra fiber.
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Lime Wedges: A squeeze of fresh lime juice over the finished dish enhances the flavors, adding a zesty brightness to the savory beef.
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Sparkling Water with Mint: A refreshing drink that cleanses the palate, making it an ideal non-alcoholic pairing for the bold flavors.
Each of these suggestions not only balances out the dish but also creates a beautifully composed meal, perfect for family dinners or entertaining guests!
Make Ahead Options
These One Pan Thai Basil Beef preparations are perfect for busy cooks looking to save time! You can slice the flank steak and combine it with the arrowroot flour, salt, and pepper up to 24 hours in advance, storing it in an airtight container in the refrigerator. Additionally, pre-chop the red bell peppers and onions to further streamline your cooking process. When you’re ready to enjoy your meal, simply heat the pan, sear the prepped steak, sauté the veggies, and finish by adding the coconut aminos and fish sauce as directed. This strategic prep allows for hassle-free weeknight cooking without compromising the delicious flavor of your One Pan Thai Basil Beef!
One Pan Thai Basil Beef Variations & Substitutions
Feel free to customize your One Pan Thai Basil Beef with these delightful twists that will tantalize your taste buds.
- Add Spinach: Toss in fresh spinach during the last minute of cooking for a nutritious boost that wilts beautifully.
- Spicy Kick: For those who love heat, include sliced jalapeños or red pepper flakes to your sautéed veggies. The spice will elevate the flavor profile and add excitement.
- Herb Heaven: Swap out Thai basil for other fresh herbs like mint or cilantro for a different aromatic experience. Each herb brings its unique flair, so experiment to find your favorite.
- Vegetable Medley: Incorporate veggies like zucchini or snap peas for added texture. This will not only enhance nutrition but also present a colorful array on your plate.
- Coconut Creamy: Stir in a splash of coconut milk while simmering for a creamier sauce with a hint of sweetness. It perfectly complements the savory flavors of the beef.
- Savory Marinade: Marinate the flank steak with a bit of lime juice, garlic, and your favorite herbs before cooking for an extra flavor punch. The acidity tenderizes the meat while adding a zesty touch.
- Garnish Switch: Use toasted sesame seeds instead of cilantro for a nuttier flavor and appealing crunch on top of your dish.
- Cauliflower Rice Upgrade: Instead of plain cauliflower rice, try seasoned cauliflower rice with lime zest and cilantro for a zesty bed for your beef.
Explore your culinary creativity while making this One Pan Thai Basil Beef. And if you’re looking for refreshing side options, a light Thai Cucumber Salad complements this dish perfectly! For an indulgent dessert afterward, consider making an Italian Berry Mascarpone to round off your meal beautifully.
How to Store and Freeze One Pan Thai Basil Beef
Fridge: Store any leftover One Pan Thai Basil Beef in an airtight container for up to 3 days. Reheat gently in a skillet over low heat for best results, adding a splash of water to prevent sticking.
Freezer: For longer storage, freeze the dish in a freezer-safe container for up to 3 months. Thaw in the refrigerator overnight before reheating.
Reheating: When ready to enjoy, reheat on the stovetop or in the microwave until heated through. Avoid microwaving too long to preserve the texture of the beef and vegetables.
Serving Fresh: For optimal taste, it’s best to consume within a few days, as the freshness of the Thai basil diminishes over time.

One Pan Thai Basil Beef Recipe FAQs
How do I choose the right flank steak?
Absolutely! When selecting flank steak, look for cuts that are bright red with minimal dark spots. The meat should be well-marbled for the best flavor and tenderness. If you can’t find flank steak, skirt steak is a great alternative with a similar texture.
How should I store leftover One Pan Thai Basil Beef?
Store any leftover Thai Basil Beef in an airtight container in the refrigerator for up to 3 days. Make sure to let it cool completely before sealing to avoid condensation, which can make it soggy. When you’re ready to enjoy it again, simply reheat it gently in a skillet over low heat, adding a splash of water to keep it moist.
Can I freeze One Pan Thai Basil Beef?
Yes, you can! Freeze the One Pan Thai Basil Beef in a freezer-safe container for up to 3 months. Just let it cool completely, portion it into containers, and ensure they are tightly sealed. When you’re ready to eat, thaw it overnight in the fridge and reheat on the stovetop for the best flavor and texture.
What should I do if my sauce is too thick?
Very simply! If your sauce turns out too thick, you can gradually add a little water or broth while stirring over low heat. Start with 1 tablespoon at a time until you reach the desired consistency. This will help loosen it up without losing the flavor.
Are there any dietary considerations for pets or allergies?
It’s always good to check! While the ingredients in One Pan Thai Basil Beef are generally safe for adults, avoid feeding it to pets, especially the fish sauce; it can upset their stomachs. For allergy concerns, be cautious with fish sauce if anyone has a shellfish allergy. You can substitute it with tamari for a gluten-free option, but keep in mind it will alter the flavor slightly.
How do I ensure the Thai basil stays fresh in the dish?
To keep your Thai basil vibrant, add it at the very end of cooking. Gently stirring it off the heat helps maintain its color and flavor without wilting too much. If you’re making it ahead of time, you might want to add the basil fresh just before serving for the best taste!

One Pan Thai Basil Beef: Quick, Flavor-Packed Delight
Ingredients
Equipment
Method
- Begin by placing your flank steak in the freezer for about 20 minutes until firm, then slice it into bite-sized strips. In a bowl, combine with avocado oil, arrowroot flour, salt, and pepper, then set aside.
- Heat a large frying pan over medium-high heat for 2 minutes, then add avocado oil. Allow heating for 1 minute before adding the flank steak. Cook for 3 minutes on each side until browned, then set aside.
- In the same pan, add sliced red bell peppers and chopped onion. Sauté for about 7 minutes, stirring occasionally, until softened and the onion is translucent.
- Return the cooked flank steak to the pan with sautéed vegetables. Stir frequently and cook together for about 1 minute. Add coconut aminos and fish sauce, simmering for about 3 minutes until the sauce thickens slightly.
- Remove from heat and stir in fresh Thai basil leaves until just wilted. Serve over jasmine or cauliflower rice, garnished with cilantro and green onions.

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