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Easy Keto Beef and Broccoli Stir Fry

easy keto beef and broccoli stir fry - featured image

A quick and easy low-carb stir fry featuring tender beef and crisp broccoli in a flavorful keto-friendly sauce. Perfect for busy weeknights and keto lifestyles.

Ingredients

Scale
  • 1 pound (450g) flank steak or sirloin, thinly sliced against the grain
  • 4 cups (300g) fresh broccoli florets, washed and dried
  • 2 tablespoons avocado oil or olive oil
  • 1/4 cup (60ml) soy sauce or tamari (use tamari for gluten-free)
  • 1 tablespoon sesame oil
  • 1 tablespoon rice vinegar
  • 1 tablespoon powdered erythritol or preferred keto sweetener
  • 2 garlic cloves, minced
  • 1 teaspoon fresh ginger, grated
  • 1/4 teaspoon red pepper flakes (optional)
  • 1 teaspoon xanthan gum
  • Sesame seeds (toasted, for garnish)
  • Chopped green onions (for garnish)

Instructions

  1. Thinly slice 1 pound (450g) of flank steak against the grain into bite-sized strips. Wash and cut 4 cups (300g) of broccoli florets into even pieces. Pat broccoli dry to avoid sogginess.
  2. In a mixing bowl, combine 1/4 cup (60ml) soy sauce or tamari, 1 tablespoon sesame oil, 1 tablespoon rice vinegar, 1 tablespoon powdered erythritol, 2 minced garlic cloves, 1 teaspoon grated fresh ginger, 1/4 teaspoon red pepper flakes (optional), and 1 teaspoon xanthan gum. Whisk well until the xanthan gum dissolves and the sauce thickens slightly.
  3. Heat 2 tablespoons avocado oil in a large skillet over medium-high heat until shimmering. Add the sliced beef in a single layer (cook in batches if needed) and sear for about 2-3 minutes per side until browned but still tender. Remove beef from skillet and set aside.
  4. In the same skillet, add a splash more oil if needed. Toss in the broccoli florets and stir-fry for about 4-5 minutes until bright green and slightly tender but still crisp. If you like it softer, add a splash of water and cover for 1-2 minutes.
  5. Return the beef to the skillet with the broccoli. Pour the prepared sauce over everything and toss to coat evenly. Cook for another 2-3 minutes, allowing the sauce to thicken and cling to the beef and broccoli.
  6. Remove from heat and sprinkle with toasted sesame seeds and chopped green onions. Serve immediately for best texture and flavor. Optional: serve with cauliflower rice for a complete keto meal.

Notes

Use fresh ginger and garlic for best flavor. Avoid overcrowding the pan when searing beef to get a good caramelized crust. If sauce thickens too much or separates, add a splash of water to smooth it out. For gluten-free, use tamari or coconut aminos instead of soy sauce. Leftovers keep well for up to 3 days in the fridge; reheat gently with a splash of water to maintain texture.

Nutrition

Keywords: keto, low-carb, beef stir fry, broccoli stir fry, quick dinner, keto dinner, healthy meal, gluten-free option