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Keto Beef Pepper Steak

A close-up of a white bowl filled with glossy Keto Beef Pepper Steak mixed with bright red and green bell peppers.
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Make a savory, low-carb Beef Pepper Steak with a rich, sugar-free sauce thickened without cornstarch. This recipe fits a ketogenic diet.

Ingredients

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  • 1.5 lb flank steak or sirloin, thinly sliced against the grain
  • 1 tablespoon avocado oil or coconut oil
  • 1 large green bell pepper, sliced
  • 1 large red bell pepper, sliced
  • 1 medium yellow onion, sliced
  • 2 cloves garlic, minced
  • 1 teaspoon fresh ginger, grated
  • 1/2 cup beef broth
  • 1/4 cup tamari or coconut aminos (for lower sodium/carb)
  • 1 tablespoon apple cider vinegar
  • 1 teaspoon sesame oil
  • 1/2 teaspoon xanthan gum (for thickening)
  • 1/4 teaspoon black pepper
  • Salt to taste
  • Optional for serving: 2 cups cauliflower rice

Instructions

  1. Prepare the beef by slicing it thinly. Pat the slices dry with paper towels.
  2. In a small bowl, whisk together the beef broth, tamari/coconut aminos, apple cider vinegar, sesame oil, and black pepper. Set the sauce aside.
  3. Heat the avocado oil in a large skillet or wok over medium-high heat. Add the beef in batches, ensuring not to overcrowd the pan. Sear quickly until browned, about 1-2 minutes per side. Remove the beef and set it aside.
  4. Add a little more oil to the skillet if needed. Add the sliced bell peppers and onions. Stir-fry for 4 to 5 minutes until they begin to soften but still have some crunch.
  5. Add the minced garlic and grated ginger to the vegetables. Cook for 1 minute until fragrant.
  6. Return the beef to the skillet. Pour the prepared sauce mixture over the beef and vegetables.
  7. Bring the sauce to a simmer. Sprinkle the xanthan gum evenly over the sauce while stirring constantly to prevent clumping. Continue stirring until the sauce thickens, about 1 minute.
  8. Taste the sauce and add salt if necessary. Cook for one final minute to coat everything evenly.
  9. Serve immediately over cauliflower rice, if desired.

Notes

  • For a richer flavor, marinate the sliced beef in 1 tablespoon of coconut aminos for 15 minutes before cooking.
  • If you prefer a milder onion flavor, blanch the sliced onions briefly before adding them to the stir-fry.
  • Xanthan gum is a powerful thickener; use only the amount specified to avoid a gummy texture.

Nutrition

Find it online: https://delishdreams.com/keto-beef-pepper-steak-recipe/