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Low Carb Beef & Broccoli Skillet - A Fast, Flavor-Packed Weeknight Dinner

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Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 4 servings
Ingredients Method

Ingredients
  

  • 1.25 pounds flank steak or sirloin, thinly sliced against the grain
  • 4 cups broccoli florets (fresh or frozen)
  • 2 tablespoons avocado oil or light olive oil, divided
  • 3 cloves garlic, minced
  • 1 teaspoon fresh ginger, grated (or 1/2 teaspoon ground ginger)
  • 3 green onions, sliced (white and green parts separated)
  • 1/2 teaspoon red pepper flakes (optional, for heat)
  • 1/3 cup beef broth
  • 3 tablespoons tamari or coconut aminos (for gluten-free; use low-sodium if preferred)
  • 1 tablespoon rice vinegar or apple cider vinegar
  • 1 tablespoon sesame oil
  • 1–2 teaspoons granular monk fruit sweetener or erythritol (adjust to taste)
  • 1 tablespoon tomato paste (for depth and color)
  • 1/2 teaspoon xanthan gum (or 1 tablespoon arrowroot slurry if not strict low carb)
  • Salt and black pepper to taste

Method
 

  1. Prep the beef: Pat the steak dry and slice it thinly against the grain. Season lightly with salt and black pepper. Set aside while you make the sauce.
  2. Mix the sauce: In a small bowl, whisk together beef broth, tamari or coconut aminos, vinegar, sesame oil, sweetener, and tomato paste. Sprinkle in xanthan gum and whisk until smooth. Taste and adjust sweetness or salt.
  3. Cook the broccoli: Heat 1 tablespoon oil in a large skillet over medium-high heat. Add broccoli and a pinch of salt. Stir-fry 3–4 minutes (5–6 if frozen) until crisp-tender. Transfer to a plate.
  4. Sear the beef: Add remaining oil to the skillet. Increase heat to high. Add beef in a single layer (work in batches to avoid steaming). Sear 1–2 minutes per side until browned with pink inside. Transfer to the plate with broccoli.
  5. Sauté aromatics: Reduce heat to medium. Add garlic, ginger, and the white parts of the green onions. Cook 30–45 seconds until fragrant. Add red pepper flakes if using.
  6. Combine and sauce: Return beef and broccoli to the pan. Pour in the sauce and toss. Simmer 1–2 minutes until it thickens and coats everything. If it gets too thick, splash in a bit more broth.
  7. Finish and serve: Top with green onion tops and sesame seeds. Taste and adjust seasoning. Serve as is, or over cauliflower rice for a bigger meal.