Spicy Sirloin & Broccoli Stir-Fry Recipe

Lunch, Red Meat

March 9, 2026

A 35-Minute Weeknight Wonder!

Say goodbye to boring dinners and hello to this vibrant, zesty Spicy Sirloin and Broccoli Stir-Fry! This isn’t your average beef and broccoli. We’re kicking things up a notch with a fiery serrano pepper and a bright splash of fresh lime juice for a flavor combination that truly pops. It’s a one-pan wonder that comes together in just over 30 minutes, delivering tender steak, crisp-tender broccoli, and a sauce that will have you scraping the plate. Get ready to impress your family (and yourself!) with a meal that’s as nutritious as it is delicious.

Ingredients

• Prep: 15 minutes | Cook: 20 minutes | Serves: 4
• 14 oz / 397 g grass-fed sirloin steak, trimmed and cut into thin strips
• ½ tsp / 3 g freshly ground black pepper, to taste
• 2 tbsp olive oil, divided
• 1 small yellow onion, chopped
• 2 cloves garlic, minced
• 1 serrano pepper, seeded and finely chopped
• 3 cups broccoli florets
• 3 tbsp low-sodium soy sauce
• 2 tbsp fresh lime juice

Instructions

1. Directions1. Pat the steak strips dry with a paper towel and season generously with the black pepper.2. In a large skillet or wok, heat 1 tbsp of olive oil over medium-high heat. Add the steak in a single layer and cook for 6-8 minutes, stirring occasionally, until browned on all sides.3. Transfer the cooked steak to a clean plate and set aside.4. In the same skillet, heat the remaining 1 tbsp of olive oil. Add the chopped onion and sauté for 3-4 minutes until it begins to soften.5. Stir in the minced garlic and chopped serrano pepper, and cook for 1 minute more until fragrant.6. Add the broccoli florets to the skillet and stir-fry for 2-3 minutes until they turn bright green and are crisp-tender.7. Return the cooked beef to the skillet. Pour in the soy sauce and lime juice, stirring to coat everything. Cook for another 3-4 minutes to allow the flavors to meld.8. Serve immediately while hot.

Nutritional Information

• Nutrition (Per Serving)
• Calories: 282
• Carbohydrates: 7.6 g
• Protein: 33.1 g
• Fat: 13.5 g
• Sugar: 2.7 g
• Sodium: 749 mg
• Fiber: 2.3 g

Pro Tips

• For easier slicing, place the sirloin steak in the freezer for 15-20 minutes before cutting. This firms up the meat, allowing you to get super thin, even strips.
• Control the heat by adjusting the serrano pepper. For less spice, remove all seeds and membranes. For more heat, leave some seeds in or swap for a hotter pepper.
• To ensure your broccoli is perfectly crisp-tender, add 1-2 tablespoons of water to the skillet after adding the florets and cover with a lid for 1-2 minutes to steam them slightly.
• This stir-fry is fantastic served over fluffy jasmine rice, quinoa, or even low-carb cauliflower rice to soak up all the delicious sauce.

FAQ

Q: What is the best way to slice sirloin for stir-fry
A: For super thin, even strips, place the sirloin steak in the freezer for 15-20 minutes before cutting. This firms up the meat, making it much easier to slice.

Q: How can I make this beef and broccoli less spicy
A: To control the heat, remove all the seeds and membranes from the serrano pepper before chopping it. For more heat, you can leave some of the seeds in.

Q: What should I serve with this stir-fry
A: This stir-fry is fantastic served over fluffy jasmine rice, quinoa, or a low-carb option like cauliflower rice to soak up the delicious zesty sauce.

Q: Is this stir-fry recipe healthy
A: Yes, it’s a nutritious meal. One serving contains 282 calories, 33.1 grams of protein, and only 7.6 grams of carbohydrates, making it a balanced weeknight dinner.

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