Spicy Beef Stir-Fry with Broccoli and Sesame Seeds

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A quick keto stir-fry featuring tender beef strips and crisp broccoli tossed in a spicy, garlicky sauce sprinkled with toasted sesame seeds. This asian-inspired keto (high-protein) ready in about 25 minutes pairs (450 g) thinly sliced beef sirloin, (about 300 g) broccoli florets, soy sauce (tamari for gluten-free) for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 15 min Serves 4 Asian cuisine 400 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large wok or skillet over high heat until shimmering. Add 1 lb thinly sliced beef sirloin and 1/2 tsp salt, stir-frying for 3-4 minutes until browned but still tender. Remove beef and set aside.
  2. Step 2: In the same pan, add 2 tbsp sesame oil, 4 minced garlic cloves, 1 tbsp minced ginger, and 1 tsp red chili flakes. Stir-fry for 30 seconds until fragrant.
  3. Step 3: Add 3 cups broccoli florets and 3 tbsp soy sauce, stir-frying for 5-6 minutes until broccoli is crisp-tender.
  4. Step 4: Return the beef to the pan, toss everything together and cook for an additional 2 minutes to combine flavors.
  5. Step 5: Remove from heat and garnish with 1 tbsp toasted sesame seeds and 2 sliced green onions. Serve immediately for a spicy, satisfying keto stir-fry.

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Frequently asked questions

How long does Spicy Beef Stir-Fry with Broccoli and Sesame Seeds take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Spicy Beef Stir-Fry with Broccoli and Sesame Seeds?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep sesame oil from drying out.

Can I substitute ingredients in Spicy Beef Stir-Fry with Broccoli and Sesame Seeds?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Spicy Beef Stir-Fry with Broccoli and Sesame Seeds for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Spicy Beef Stir-Fry with Broccoli and Sesame Seeds high-protein?

Yes — this recipe is tagged high-protein based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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