In the mood for Chinese cuisine but mindful of your carb intake? We have the perfect solution! Our Keto Pepper Steak is a flavor-packed delight that will make you completely overlook takeout. This fuss-free and budget-friendly dish is ideal for those hectic weeknights.

Jump to:
- Preparation and cooking overview
- Chef's note
- 🥩 Ingredients for this keto pepper steak recipe
- Ingredient substitutions
- Additional ingredients
- Cooking tools required
- Tool substitutes list
- How to make Keto Pepper Steak: step-by-step guide
- Cooking methods
- Preparation steps
- Cooking instructions
- What to serve with Keto Pepper Steak?
- How to make it healthier?
- Time-saving tips
- What can I prepare ahead of time?
- Storage and reheating instructions
- Storage
- Reheating tips
- Recipe wrap-up & conclusion
- Frequently asked questions
- 📖 Recipe
Preparation and cooking overview
You can have this low-carb feast on your table in just about half an hour! All you got to do is sauté some colorful veggies, cook the meat to perfection, simmer some garlicky sauce, and add veggies. What's the outcome? A sizzling, mouthwatering platter of protein with awesome Asian flavors!
Chef's note
This recipe is a fantastic choice for a flavorful and filling main course. It's also a great recipe to prepare in larger quantities, allowing you to have ready-made meals for the entire week. Simply pack it for lunch, heat it up in the microwave, and enjoy a delicious and protein-packed meal even on busy work weeks.

🥩 Ingredients for this keto pepper steak recipe
Ingredient substitutions
Don't worry if you don't have certain ingredients in your pantry or if you have a certain preference. Here are keto-friendly substitutes!

Additional ingredients
Though this recipe doesn't need extra ingredients, you can still use the following for garnish or toppings:
Cooking tools required
To make this Keto Pepper Steak recipe, you'll need the following tools:

Tool substitutes list

How to make Keto Pepper Steak: step-by-step guide
Cooking methods
Preparation steps
- Gather and measure all your ingredients.
- Prepare all the needed tools.
Cooking instructions
- Heat a large skillet over medium heat and add half of the olive oil.
- Add the sliced peppers, mushrooms, onions, and sauté until tender, for about 5 minutes. Remove from skillet and set aside.
- When slicing your flank steak, make sure to cut against the grain into long, thin pieces to ensure the best texture.
- After adding the remaining olive oil and the beef to the pan. Season with salt, pepper, and sauté until nearly cooked through, about 4-5 minutes. This will ensure that the steak is perfectly cooked and not overdone.
- To make the keto steak sauce, sauté the ginger in the pan for approximately one minute, then add the garlic and cook for an additional 20 seconds. It's important to avoid overcooking the garlic as it can turn bitter in taste and affect the overall flavor of the sauce.
- Gradually incorporate xanthan gum into a mixture of beef broth, liquid aminos, and toasted sesame oil while whisking continuously.
- Add back the sautéed vegetables (from step 2) and allow the broth mixture to simmer until it's heated through and the sauce thickens according to your liking.
- In less than 30 minutes, you'll be able to enjoy a nice tender steak with yummy Chinese sauce.
Chef's pro tip
Cut the meat against the grain, as this helps to tenderize it by shortening the muscle fibers. This makes the steak easier to chew and enhances the overall eating experience.
What to serve with Keto Pepper Steak?
At Cast Iron Keto, we come up with recipes that are easy to make and easy to pair with other dishes. Here are some tasty food pairings:

How to make it healthier?
If you want to make further tweaks to the recipe, here are some healthy options:
Time-saving tips

What can I prepare ahead of time?
Storage and reheating instructions
Storage

Reheating tips

Recipe wrap-up & conclusion
The Keto Pepper Steak recipe offers a fast and effortless way to enjoy a Chinese-inspired dish in under 30 minutes. It beautifully combines elements from both Chinese and American culinary traditions, adding a delightful twist to your diet plan. The convenience of sautéing vegetables, cooking the meat, and creating the sauce all in a single skillet makes this recipe a true one-pan wonder.
Share this yummy recipe with friends and family, and don't forget to tag us on social!

Frequently asked questions
📖 Recipe

Keto Pepper Steak
Ingredients
- 1 lb flank steak thinly sliced
- ½ green bell pepper sliced into strips
- ½ red bell pepper sliced into strips
- ¾ cup shiitake mushrooms sliced without the stems
- ¼ cup beef broth
- ½ small yellow onion thinly sliced
- 2 cloves garlic minced
- 2 tablespoons olive oil
- 2 tablespoons liquid aminos
- 1 teaspoon toasted sesame oil
- ½ teaspoon fresh ginger minced
- ½ teaspoon sea salt
- ¼ teaspoon ground black pepper
- ¼ teaspoon xanthan gum
Instructions
- Heat a large skillet over medium heat and add half of the olive oil.
- Add the sliced peppers, mushrooms, onions, and sauté until tender, for about 5 minutes. Remove from skillet and set aside.
- When slicing your flank steak, make sure to cut against the grain into long, thin pieces to ensure the best texture.
- After adding the remaining olive oil and the beef to the pan. Season with salt, pepper, and sauté until nearly cooked through, about 4-5 minutes. This will ensure that the steak is perfectly cooked and not overdone.
- To make the keto steak sauce, sauté the ginger in the pan for approximately one minute, then add the garlic and cook for an additional 20 seconds. It's important to avoid overcooking the garlic as it can turn bitter in taste and affect the overall flavor of the sauce.
- Gradually incorporate xanthan gum into a mixture of beef broth, liquid aminos, and toasted sesame oil while whisking continuously.
- Add back the sautéed vegetables (from step 2) and allow the broth mixture to simmer until it's heated through and the sauce thickens according to your liking.
- In less than 30 minutes, you'll be able to enjoy a nice tender steak with yummy Chinese sauce.
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