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Keto Beef and Pepper Stir Fry

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A quick, low-carb stir fry with tender beef, crisp bell peppers, and a savory sugar-free sauce. High-heat cooking preserves flavor and texture, delivering a bold, satisfying meal in 25 minutes. Naturally gluten-free and keto-friendly.

  • Total Time: 25
  • Yield: 4 servings 1x

Ingredients

Scale

1 lb flank steak or sirloin, thinly sliced
2 red bell peppers, sliced
1 small onion, julienned
3 garlic cloves, minced
1 tbsp fresh ginger, grated
2 tbsp avocado oil
1 tbsp sesame oil (plus extra for garnish)
3 tbsp soy sauce (use tamari for GF)
1 tbsp rice vinegar
1 tbsp coconut aminos
1 tsp sesame seeds
3 green onions, sliced
1/4 tsp baking soda (for beef velvetting)
Black pepper, to taste

Instructions

Chill wok or skillet in freezer for 5 minutes. Heat 1.5 tbsp avocado oil until smoking hot. Add beef in single layer and sear 1-2 minutes per side. Remove and set aside.
In same pan, sauté ginger, garlic, and onions 30 seconds. Add peppers and 0.5 tbsp oil, stir-fry 3-4 minutes until crisp-tender.
Return beef to pan with soy sauce, vinegar, coconut aminos, and sesame oil. Toss to coat and cook 1-2 minutes.
Sprinkle with sesame seeds and green onions. Toss gently. Season with black pepper.

Notes

velvetting technique: Combine beef with baking soda and 1 tsp water, let sit 15 minutes before cooking
Cast-iron skillet retains heat best for optimal sear
Store in airtight container for up to 3 days
Serve with cauliflower rice or shredded lettuce cups

  • Author: Madeline
  • Prep Time: 15
  • Cook Time: 10
  • Category: Meals
  • Method: Stir-Frying
  • Cuisine: Asian-American
  • Diet: Ketogenic

Nutrition

  • Serving Size: 1 bowl
  • Calories: 320
  • Sugar: 0g
  • Sodium: 900mg
  • Fat: 18g
  • Saturated Fat: 5g
  • Carbohydrates: 8g
  • Fiber: 2g
  • Protein: 30g
  • Cholesterol: 65mg