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Hearty Keto Beef & Broccoli Stir-Fry

This hearty keto beef and broccoli stir-fry is a quick and satisfying low-carb meal, packed with flavor and healthy ingredients. Perfect for a weeknight dinner.
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Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings: 4 servings
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

Beef
  • 1 lb sirloin steak thinly sliced against the grain
Healthy Fats
  • 2 tbsp avocado oil or coconut oil
Aromatics
  • 3 cloves garlic minced
  • 1 inch fresh ginger grated (optional)
Low-Carb Vegetables
  • 4 cups broccoli florets
  • 1 red bell pepper thinly sliced
  • 1/2 cup sliced mushrooms
Liquid
  • 1/2 cup beef broth no added sugar
Flavor Boosters
  • 2 tbsp tamari or liquid aminos
  • 1 tsp sesame oil optional, for flavor
  • red pepper flakes optional, for spice
Garnish (optional)
  • fresh cilantro or green onions chopped
  • toasted sesame seeds

Equipment

  • paper towels
  • large skillet or wok

Method
 

Prepare the Beef
  1. Pat the thinly sliced sirloin steak dry with paper towels then season generously with salt and black pepper.
Sear the Beef
  1. Heat 1 tablespoon of oil in a large skillet or wok over high heat. Sear the beef in batches for 1-2 minutes per side until browned, then remove and set aside.
Sauté Aromatics and Vegetables
  1. Add the remaining 1 tablespoon of oil to the pan and sauté minced garlic and grated ginger for 30 seconds until fragrant. Add broccoli florets and bell pepper, stir-frying for 3-5 minutes until crisp-tender, then add mushrooms and cook for 2 more minutes.
Build the Sauce
  1. Pour in beef broth and tamari/liquid aminos, bringing to a simmer while scraping up any browned bits. Optionally, add sesame oil and red pepper flakes.
Combine & Finish
  1. Return the seared beef to the pan and toss with the sauce and vegetables. Cook for 1-2 minutes until heated through, avoiding overcooking to keep the beef tender.
Serve
  1. Transfer the stir-fry to serving plates and garnish with cilantro, green onions, or sesame seeds if desired. Serve immediately.

Notes

Adjust spice level with red pepper flakes to your preference. For an even quicker meal, use pre-cut broccoli florets and pre-minced garlic.