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Homemade Keto Mongolian Beef recipe photo

Keto Mongolian Beef

This Keto Mongolian Beef is a low-carb delight! Enjoy tender beef in a savory sauce, loaded with vibrant veggies.
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Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 4 servings
Course: Main Course
Cuisine: Asian
Ingredients Equipment Method Notes

Ingredients
  

For the Beef:
  • 1 lb flat iron steak, flank steak, or sirloin (fat removed)
  • Salt and black pepper to taste
  • 2 tablespoons light olive oil or avocado oil for frying
  • 1 tablespoon fresh ginger (minced)
  • 3 cloves garlic (minced)
  • 1 teaspoon red pepper flakes or chili flakes for heat
  • ½ cup tamari or medium soy sauce or coconut aminos (80ml)
  • ½ cup water (60ml)
  • 2 tablespoons brown erythritol keto-friendly sweetener
  • 1 medium red bell pepper (sliced, 110g)
  • 2 large spring onions (finely sliced, 50g)
  • 1 teaspoon toasted sesame seeds (optional)
  • toasted sesame oil (drizzle, optional)

Equipment

  • Sharp knife
  • Cutting board
  • Large skillet or wok
  • Measuring cups and spoons
  • Spatula or wooden spoon

Method
 

Instructions
  1. Step 1: Prepare the Beef - Begin by slicing the beef against the grain into thin strips. Season with salt and black pepper.
  2. Step 2: Heat the Oil - In a large skillet or wok, heat the olive or avocado oil over medium-high heat until hot.
  3. Step 3: Cook the Beef - Add the sliced beef in a single layer. Sear for 2-3 minutes, flip, and cook for another 2-3 minutes. Remove and set aside.
  4. Step 4: Sauté the Aromatics - In the same skillet, add ginger and garlic. Sauté for about 30 seconds until fragrant.
  5. Step 5: Create the Sauce - Add red pepper flakes, tamari or soy sauce, water, and brown erythritol. Simmer for 2-3 minutes.
  6. Step 6: Add the Vegetables - Stir in sliced red bell pepper and cook for 2-3 minutes until tender but crisp.
  7. Step 7: Combine the Beef and Sauce - Return the cooked beef to the skillet, tossing to coat in the sauce and heat through.
  8. Step 8: Garnish and Serve - Serve hot, garnished with spring onions and sesame seeds. Drizzle with sesame oil if desired.

Notes

  • Store leftovers in an airtight container for up to 3 days.
  • Reheat on the stove over low heat, adding water to loosen sauce.
  • Feel free to substitute the beef with tofu or tempeh for a vegetarian option.