20-Minute Sriracha Beef & Pepper Stir-Fry 

One-pot Sriracha Sauce recipe takes 30 minutes to make. Soggy beef, clumpy sauce, that one time I used way too much sriracha and couldn’t feel my tongue for an hour. But after years of testing (and failing), this stir-fry beef with sriracha sauce is the winner. It’s quick and punchy, using ingredients that are friendly to a food reserve. No work? No problem. A regular skillet works fine.

You get crisp veggies and toasty beef. Spicy-sweet sauce coats every bite. Ready in under 20 minutes. Let’s cook.

Why this recipe works

• Baking soda magic trick – baking soda tenderises cheap beef cuts like flank or sirloin. No more chewing rubber
• Sriracha isn’t heat – it brings garlic, tang, and slight sweetness, balanced with soy and honey.
• High heat + cornstarch = sauce that coats, not pools.
• One pan – less cleanup, more flavor (brown bits = gold).

Tools you’ll need

• Large skillet or wok (cast iron or carbon steel preferred)
• Small bowl for sauce
• Tongs or a spatula
• Knife + cutting board
• Measuring spoons (tablespoon and tsp)

(Pro tip: don’t use a nonstick pan if you want that sear. Medium-high heat needs a sturdy surface.)

Ingredients

For the beef & marinade:

• 1 lb flank steak (or sirloin), thinly sliced against the grain
• 1 tbsp low-sodium soy sauce
• 1 tsp baking soda (yes, really – tenderizer)
• 1 tbsp cornflour
• 1 tbsp water

For the stir-fry beef with sriracha sauce:

• 2 tbsp sriracha (adjust down if you’re spice shy)
• 2 tbsp soy sauce (regular or tamari)
• 1 tbsp honey
• 1 tbsp rice vinegar
• 2 cloves of garlic, minced
• 1 tsp sesame oil
• ¼ cup beef broth or water

Stir-fry aromatics & veggies:

• 2 tbsp neutral oil (avocado or vegetable)
• 1 red bell pepper, sliced
• 1 small onion, sliced
• 3 green onions, chopped (white + green parts separate)
• Sesame seeds for garnish

How to make stir-fry beef with sriracha sauce (step by step)

1. Marinate the beef – don’t skip this

Slice your beef into thin pieces against the grain. That’s key. Mix the beef with soy sauce, baking soda, cornstarch, and water. Let it sit for 10 minutes while you prepare the veggies.

The first time I tried this, I skipped the baking soda. Tough as shoe leather. Never again.

2. Make your sriracha sauce

In a small bowl, whisk sriracha, soy sauce, honey, rice vinegar, garlic, sesame oil, and broth. The mixture smells sweet, sharp, and slightly spicy. Set aside.

3. Sear the beef – hot pan, don’t crowd

Heat 1 tbsp oil in a skillet over medium-high until it shimmers. Add the beef in a single layer. Let it sit untouched for 60 seconds – you want a brown crust. Then toss for 1-2 minutes until just cooked through. Remove the beef to a plate.

Crowding the pan = steaming. Steaming = sad, grey beef.

4. Stir-fry the veggies in the same pan

Add the remaining 1 tbsp of oil. Toss in the bell pepper, onion, and white parts of the green onion. Stir-fry for 2 minutes – they should stay crisp-tender, not mushy. Listen for that loud sizzle. That’s flavour.

5. Sauce + beef back in

Pour your sriracha sauce into the pan. Let it bubble for 30 seconds – it’ll thicken slightly. Add the beef back in, toss everything to coat. Cook 1 more minute. The sauce should turn glossy and dark orange-red.

6. Finish & serve

Top with green onion and sesame seeds. Serve over rice or noodles—or eat straight from the pan. No judgment.t.

Reader tip from my kitchen

For a little extra texture, try a pinch of crushed red pepper flakes at the end. Optional, but my spice-loving friends love it.

What to serve with stir-fry beef with sriracha sauce

• To round out your meal, steamed white rice absorbs heat effectively.
• Cold cucumber salad – cools down the sriracha kick.
• Quick pickled carrots & daikon (add tangy crunch)
• Fried egg on top – wait, try that. Runny yolk + spicy sauce = heaven

Related Recipies

Storage & freezing

Fridge: Keeps 3-4 days in an airtight container. The sauce may seep—just stir before reheating.

Freezer: Yes, but skip the veggies. Freeze beef and sauce in separate containers for a maximum of 2 months. Thaw overnight, then stir-fry fresh veggies. Reheat in a hot skillet, not the microwave (gets rubbery).

Reheat trick: Splash of water or broth in a pan over medium heat. Cover for 1 minute, then uncover and toss. Brings back the saucy life.

Conclusion

20-Minute Sriracha Beef & Pepper Stir-Fry 

20-min sriracha beef & pepper stir-fry. Tender steak, crisp bell peppers, sticky spicy sauce. Faster than delivery.

Author: Marisa M. Hsu

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Prep Time 10 mins Cook Time 10 mins Total Time 20 mins Difficulty: Intermediate Servings: 4 Calories: 390

Ingredients

Scale

1/2x 1x 2x 3x

For the beef marinade:

• 1 lb flank steak , thinly sliced against the grain (or sirloin)
• 1 tbsp low-sodium soy sauce
• 1 tsp baking soda (trust me on this)
• 1 tbsp cornstarch
• 1 tbsp water

For the sriracha sauce:

• 2 tbsp sriracha (dial up or down)
• 2 tbsp soy sauce
• 1 tbsp honey
• 1 tbsp rice vinegar
• 2 cloves garlic, minced
• 1 tsp sesame oil
• ¼ Cup beef broth or water

For the stir-fry:

• 2 tbsp neutral oil (avocado, vegetable, or canola)
• 1 red bell pepper, sliced into strips
• 1 yellow bell pepper, sliced
• ½ yellow onion, sliced
• 2 green onions, chopped (white + green parts separate)
• 1 tsp sesame seeds for garnish

Instructions

Marinate the beef — 10 minutes, non-negotiable

1. In a bowl, toss beef with soy sauce, baking soda, cornstarch, and water. Mix until every slice is coated. Let it sit for 10 minutes while you prep veggies. This is the "velveting" trick. Skipping it? You'll be chewing for days.
   Mark as complete

Make the sriracha sauce

1. In a small bowl, whisk sriracha, soy sauce, honey, rice vinegar, garlic, sesame oil, and broth. Set aside. Smell that? Sweet, spicy, little funky. Perfect.
   Mark as complete

Sear the beef — HOT pan, single layer

1. Heat 1 tbsp oil in your skillet over medium-high until it shimmers (almost smoking). Add beef in a single layer. Don't touch it for 60 seconds. I'm serious. Let it develop that crust. Then toss for 1-2 minutes until browned but not fully cooked. Remove beef to a plate.
   Mark as complete
2. The first time I made stir-fry, I flipped too early. No crust. Just sad, gray beef. Lesson learned.
   Mark as complete

Stir-fry the peppers & onion

1. Same pan — add remaining 1 tbsp oil. Toss in red bell pepper, yellow bell pepper, and onion. Stir-fry for 2 minutes. They should stay crisp-tender with lightly charred edges. Listen for that loud sizzle. That's flavor screaming at you.
   Mark as complete

Sauce + beef back in

1. Pour the sriracha sauce into the pan. Let it bubble for 30 seconds — it'll thicken into a glossy glaze right before your eyes. Add beef back in, toss everything to coat. Cook 1 more minute. The sauce should turn dark orange-red and coat every pepper slice.
   Mark as complete

Garnish & serve

1. Top with green onions (both parts) and sesame seeds. Serve immediately over steamed jasmine rice or lo mein noodles. Or honestly? Straight from the pan with a fork. Been there.
   Mark as complete

Nutrition Facts

Servings 4

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Amount Per Serving

Calories 390kcal

% Daily Value *

Sodium 870mg37%

Total Carbohydrate 19g7%

Dietary Fiber 4g16%

Sugars 11g

Protein 34g68%

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* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.

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Keywords: Sriracha Beef, Sriracha Beef & Pepper Stir-Fry