Keto Spicy Beef Stir-Fry with Broccoli and Sesame

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

A bold and spicy low-carb beef stir-fry packed with tender broccoli florets and toasted sesame seeds for a quick keto meal. This asian-inspired keto (low carb, high protein) ready in about 22 minutes pairs sirloin beef strips, broccoli florets, sesame oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 calories and feeds 3, 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: 12 min Serves 3 Asian cuisine 380 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 2 tbsp sesame oil in a large wok or skillet over high heat until shimmering. Add 12 oz sirloin beef strips and stir-fry for 3-4 minutes until browned and almost cooked through.
  2. Step 2: Add 3 minced garlic cloves and 1 tbsp minced fresh ginger to the wok, stir-frying for 30 seconds until fragrant.
  3. Step 3: Toss in 2 cups broccoli florets, 3 tbsp soy sauce, and 1/2 tsp red chili flakes. Stir-fry for 4-5 minutes until broccoli is tender-crisp and beef is cooked through.
  4. Step 4: Remove from heat and sprinkle with 1 tbsp toasted sesame seeds and 2 sliced green onions before serving hot.

Frequently asked questions

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

Total time is about 22 minutes (10 min prep + 12 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 Keto Spicy Beef Stir-Fry with Broccoli and Sesame?

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 sirloin beef strips from drying out.

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

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 Keto Spicy Beef Stir-Fry with Broccoli and Sesame for a different number of people?

The recipe is written for 3 servings. Multiply each ingredient by (your serving target / 3). 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 Keto Spicy Beef Stir-Fry with Broccoli and Sesame low carb?

Yes — this recipe is tagged low carb, 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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